81587792

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{211}}^1$

素因数の和:269

約数の個数: 80

約数和(自身を含む): 187696320

約数和(自身を除く): 106108528

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 169, 176, 208, 211, 286, 338, 422, 572, 676, 844, 1144, 1352, 1688, 1859, 2197, 2288, 2321, 2704, 2743, 3376, 3718, 4394, 4642, 5486, 7436, 8788, 9284, 10972, 14872, 17576, 18568, 21944, 24167, 29744, 30173, 35152, 35659, 37136, 43888, 48334, 60346, 71318, 96668, 120692, 142636, 193336, 241384, 285272, 386672, 392249, 463567, 482768, 570544, 784498, 927134, 1568996, 1854268, 3137992, 3708536, 5099237, 6275984, 7417072, 10198474, 20396948, 40793896, 81587792]

約数ペア:

[(1, 81587792), (2, 40793896), (4, 20396948), (8, 10198474), (11, 7417072), (13, 6275984), (16, 5099237), (22, 3708536), (26, 3137992), (44, 1854268), (52, 1568996), (88, 927134), (104, 784498), (143, 570544), (169, 482768), (176, 463567), (208, 392249), (211, 386672), (286, 285272), (338, 241384), (422, 193336), (572, 142636), (676, 120692), (844, 96668), (1144, 71318), (1352, 60346), (1688, 48334), (1859, 43888), (2197, 37136), (2288, 35659), (2321, 35152), (2704, 30173), (2743, 29744), (3376, 24167), (3718, 21944), (4394, 18568), (4642, 17576), (5486, 14872), (7436, 10972), (8788, 9284)]