The Integers 801 to 900

  • 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
8011, 3, 9, 89, 267, 80161170369CompositeDeficient
8021, 2, 401, 80241206404CompositeDeficient
8031, 11, 73, 803488885CompositeDeficient
8041, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 8041219041100CompositeAbundant
8051, 5, 7, 23, 35, 115, 161, 80581152347CompositeDeficient
8061, 2, 13, 26, 31, 62, 403, 80681344538CompositeDeficient
8071, 3, 269, 80741080273CompositeDeficient
8081, 2, 4, 8, 101, 202, 404, 80881530722CompositeDeficient
8091, 80928101PrimeDeficient
8101, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 8102021781368CompositeAbundant
8111, 81128121PrimeDeficient
8121, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812121680868CompositeAbundant
8131, 3, 271, 81341088275CompositeDeficient
8141, 2, 11, 22, 37, 74, 407, 81481368554CompositeDeficient
8151, 5, 163, 8154984169CompositeDeficient
8161, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 8162022321416CompositeAbundant
8171, 19, 43, 817488063CompositeDeficient
8181, 2, 409, 81841230412CompositeDeficient
8191, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819121456637CompositeDeficient
8201, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820121764944CompositeAbundant
8211, 82128221PrimeDeficient
8221, 2, 3, 6, 137, 274, 411, 82281656834CompositeAbundant
8231, 82328241PrimeDeficient
8241, 2, 4, 8, 103, 206, 412, 82481560736CompositeDeficient
8251, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825121488663CompositeDeficient
8261, 2, 7, 14, 59, 118, 413, 82681440614CompositeDeficient
8271, 82728281PrimeDeficient
8281, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 8281821841356CompositeAbundant
8291, 82928301PrimeDeficient
8301, 2, 5, 10, 83, 166, 415, 83081512682CompositeDeficient
8311, 3, 277, 83141112281CompositeDeficient
8321, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832141778946CompositeAbundant
8331, 7, 17, 49, 119, 83361026193CompositeDeficient
8341, 2, 3, 6, 139, 278, 417, 83481680846CompositeAbundant
8351, 5, 167, 83541008173CompositeDeficient
8361, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836121680844CompositeAbundant
8371, 3, 9, 27, 31, 93, 279, 83781280443CompositeDeficient
8381, 2, 419, 83841260422CompositeDeficient
8391, 83928401PrimeDeficient
8401, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 8403228802040CompositeAbundant
8411, 29, 841387130CompositeDeficient
8421, 2, 421, 84241266424CompositeDeficient
8431, 3, 281, 84341128285CompositeDeficient
8441, 2, 4, 211, 422, 84461484640CompositeDeficient
8451, 5, 13, 65, 169, 84561098253CompositeDeficient
8461, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 8461218721026CompositeAbundant
8471, 7, 11, 77, 121, 84761064217CompositeDeficient
8481, 2, 4, 8, 16, 53, 106, 212, 424, 848101674826CompositeDeficient
8491, 3, 283, 84941136287CompositeDeficient
8501, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850121674824CompositeDeficient
8511, 23, 37, 851491261CompositeDeficient
8521, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 8521220161164CompositeAbundant
8531, 85328541PrimeDeficient
8541, 2, 7, 14, 61, 122, 427, 85481488634CompositeDeficient
8551, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855121560705CompositeDeficient
8561, 2, 4, 8, 107, 214, 428, 85681620764CompositeDeficient
8571, 85728581PrimeDeficient
8581, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 8581620161158CompositeAbundant
8591, 85928601PrimeDeficient
8601, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860121848988CompositeAbundant
8611, 3, 7, 21, 41, 123, 287, 86181344483CompositeDeficient
8621, 2, 431, 86241296434CompositeDeficient
8631, 86328641PrimeDeficient
8641, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 8642425201656CompositeAbundant
8651, 5, 173, 86541044179CompositeDeficient
8661, 2, 433, 86641302436CompositeDeficient
8671, 3, 17, 51, 289, 86761228361CompositeDeficient
8681, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868121792924CompositeAbundant
8691, 11, 79, 869496091CompositeDeficient
8701, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 8701621601290CompositeAbundant
8711, 13, 67, 871495281CompositeDeficient
8721, 2, 4, 8, 109, 218, 436, 87281650778CompositeDeficient
8731, 3, 9, 97, 291, 87361274401CompositeDeficient
8741, 2, 19, 23, 38, 46, 437, 87481440566CompositeDeficient
8751, 5, 7, 25, 35, 125, 175, 87581248373CompositeDeficient
8761, 2, 3, 4, 6, 12, 73, 146, 219, 292, 438, 8761220721196CompositeAbundant
8771, 87728781PrimeDeficient
8781, 2, 439, 87841320442CompositeDeficient
8791, 3, 293, 87941176297CompositeDeficient
8801, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 8802022321352CompositeAbundant
8811, 88128821PrimeDeficient
8821, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 8821822231341CompositeAbundant
8831, 88328841PrimeDeficient
8841, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884121764880CompositeDeficient
8851, 3, 5, 15, 59, 177, 295, 88581440555CompositeDeficient
8861, 2, 443, 88641332446CompositeDeficient
8871, 88728881PrimeDeficient
8881, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 8881622801392CompositeAbundant
8891, 7, 127, 88941024135CompositeDeficient
8901, 2, 5, 10, 89, 178, 445, 89081620730CompositeDeficient
8911, 3, 9, 11, 27, 33, 81, 99, 297, 891101452561CompositeDeficient
8921, 2, 4, 223, 446, 89261568676CompositeDeficient
8931, 19, 47, 893496067CompositeDeficient
8941, 2, 3, 6, 149, 298, 447, 89481800906CompositeAbundant
8951, 5, 179, 89541080185CompositeDeficient
8961, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 8961620401144CompositeAbundant
8971, 3, 13, 23, 39, 69, 299, 89781344447CompositeDeficient
8981, 2, 449, 89841350452CompositeDeficient
8991, 29, 31, 899496061CompositeDeficient
9001, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 9002728211921CompositeAbundant