Positive Integers

Positive Integers » 1-10000 » 2801-2900

The Integers 2801 to 2900

  • Count(d(N)) is the number of positive divisors of n, including 1 and n itself.
  • σ(N) is the Divisor Function. It represents the sum of all the positive divisors of n, including 1 and n itself.
  • s(N) is the Restricted Divisor Function. It represents the sum of the proper divisors of n, excluding n itself.
  • For a Prime Number, Count(d(N))=2. The only divisors for a Prime Number are 1 and itself.
  • A Deficient Number is greater than the sum of its proper divisors; that is, s(N)<n.
  • An Abundant Number is less than the sum of its proper divisors; that is, s(N)>n.
  • A Perfect Number equals the sum of its proper divisors; that is, s(N)=n.
N Divisors of N Count(d(N)) σ(N) s(N) Prime or Composite Notes
28011, 2801228021PrimeDeficient
28021, 2, 3, 6, 467, 934, 1401, 2802856162814CompositeAbundant
28031, 2803228041PrimeDeficient
28041, 2, 4, 701, 1402, 2804649142110CompositeDeficient
28051, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 28051651842379CompositeDeficient
28061, 2, 23, 46, 61, 122, 1403, 2806844641658CompositeDeficient
28071, 7, 401, 280743216409CompositeDeficient
28081, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 28083284005592CompositeAbundant
28091, 53, 28093286354CompositeDeficient
28101, 2, 5, 10, 281, 562, 1405, 2810850762266CompositeDeficient
28111, 3, 937, 281143752941CompositeDeficient
28121, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 28121253202508CompositeDeficient
28131, 29, 97, 281342940127CompositeDeficient
28141, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 28141665283714CompositeAbundant
28151, 5, 563, 281543384569CompositeDeficient
28161, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 28161861323316CompositeAbundant
28171, 3, 9, 313, 939, 2817640821265CompositeDeficient
28181, 2, 1409, 2818442301412CompositeDeficient
28191, 2819228201PrimeDeficient
28201, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 28202480645244CompositeAbundant
28211, 7, 13, 31, 91, 217, 403, 282183584763CompositeDeficient
28221, 2, 17, 34, 83, 166, 1411, 2822845361714CompositeDeficient
28231, 3, 941, 282343768945CompositeDeficient
28241, 2, 4, 8, 353, 706, 1412, 2824853102486CompositeDeficient
28251, 5, 25, 113, 565, 282563534709CompositeDeficient
28261, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 28261261623336CompositeAbundant
28271, 11, 257, 282743096269CompositeDeficient
28281, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 28281257122884CompositeAbundant
28291, 3, 23, 41, 69, 123, 943, 2829840321203CompositeDeficient
28301, 2, 5, 10, 283, 566, 1415, 2830851122282CompositeDeficient
28311, 19, 149, 283143000169CompositeDeficient
28321, 2, 3, 4, 6, 8, 12, 16, 24, 48, 59, 118, 177, 236, 354, 472, 708, 944, 1416, 28322074404608CompositeAbundant
28331, 2833228341PrimeDeficient
28341, 2, 13, 26, 109, 218, 1417, 2834846201786CompositeDeficient
28351, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 28352058082973CompositeAbundant
28361, 2, 4, 709, 1418, 2836649702134CompositeDeficient
28371, 2837228381PrimeDeficient
28381, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 28381663363498CompositeAbundant
28391, 17, 167, 283943024185CompositeDeficient
28401, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 28401664803640CompositeAbundant
28411, 3, 947, 284143792951CompositeDeficient
28421, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 28421251302288CompositeDeficient
28431, 2843228441PrimeDeficient
28441, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 28441872804436CompositeAbundant
28451, 5, 569, 284543420575CompositeDeficient
28461, 2, 1423, 2846442721426CompositeDeficient
28471, 3, 13, 39, 73, 219, 949, 2847841441297CompositeDeficient
28481, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 28481256702822CompositeDeficient
28491, 7, 11, 37, 77, 259, 407, 284983648799CompositeDeficient
28501, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 150, 190, 285, 475, 570, 950, 1425, 28502474404590CompositeAbundant
28511, 2851228521PrimeDeficient
28521, 2, 4, 23, 31, 46, 62, 92, 124, 713, 1426, 28521253762524CompositeDeficient
28531, 3, 9, 317, 951, 2853641341281CompositeDeficient
28541, 2, 1427, 2854442841430CompositeDeficient
28551, 5, 571, 285543432577CompositeDeficient
28561, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 238, 357, 408, 476, 714, 952, 1428, 28563286405784CompositeAbundant
28571, 2857228581PrimeDeficient
28581, 2, 1429, 2858442901432CompositeDeficient
28591, 3, 953, 285943816957CompositeDeficient
28601, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 28602470564196CompositeAbundant
28611, 2861228621PrimeDeficient
28621, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 318, 477, 954, 1431, 28621664803618CompositeAbundant
28631, 7, 409, 286343280417CompositeDeficient
28641, 2, 4, 8, 16, 179, 358, 716, 1432, 28641055802716CompositeDeficient
28651, 3, 5, 15, 191, 573, 955, 2865846081743CompositeDeficient
28661, 2, 1433, 2866443021436CompositeDeficient
28671, 47, 61, 286742976109CompositeDeficient
28681, 2, 3, 4, 6, 12, 239, 478, 717, 956, 1434, 28681267203852CompositeAbundant
28691, 19, 151, 286943040171CompositeDeficient
28701, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 28701660483178CompositeAbundant
28711, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 28711246801809CompositeDeficient
28721, 2, 4, 8, 359, 718, 1436, 2872854002528CompositeDeficient
28731, 13, 17, 169, 221, 287363294421CompositeDeficient
28741, 2, 3, 6, 479, 958, 1437, 2874857602886CompositeAbundant
28751, 5, 23, 25, 115, 125, 575, 287583744869CompositeDeficient
28761, 2, 4, 719, 1438, 2876650402164CompositeDeficient
28771, 3, 7, 21, 137, 411, 959, 2877844161539CompositeDeficient
28781, 2, 1439, 2878443201442CompositeDeficient
28791, 2879228801PrimeDeficient
28801, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 28804299067026CompositeAbundant
28811, 43, 67, 288142992111CompositeDeficient
28821, 2, 11, 22, 131, 262, 1441, 2882847521870CompositeDeficient
28831, 3, 31, 93, 961, 2883639721089CompositeDeficient
28841, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 28841258242940CompositeAbundant
28851, 5, 577, 288543468583CompositeDeficient
28861, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 28861663843498CompositeAbundant
28871, 2887228881PrimeDeficient
28881, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 28881257152827CompositeDeficient
28891, 3, 9, 27, 107, 321, 963, 2889843201431CompositeDeficient
28901, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 28901255262636CompositeDeficient
28911, 7, 49, 59, 413, 289163420529CompositeDeficient
28921, 2, 3, 4, 6, 12, 241, 482, 723, 964, 1446, 28921267763884CompositeAbundant
28931, 11, 263, 289343168275CompositeDeficient
28941, 2, 1447, 2894443441450CompositeDeficient
28951, 3, 5, 15, 193, 579, 965, 2895846561761CompositeDeficient
28961, 2, 4, 8, 16, 181, 362, 724, 1448, 28961056422746CompositeDeficient
28971, 2897228981PrimeDeficient
28981, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 28982474884590CompositeAbundant
28991, 13, 223, 289943136237CompositeDeficient
29001, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 29001865103610CompositeAbundant

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