81665904

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{773}}^1$

素因数の和:886

約数の個数: 80

約数和(自身を含む): 221128704

約数和(自身を除く): 139462800

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 71, 93, 124, 142, 186, 213, 248, 284, 372, 426, 496, 568, 744, 773, 852, 1136, 1488, 1546, 1704, 2201, 2319, 3092, 3408, 4402, 4638, 6184, 6603, 8804, 9276, 12368, 13206, 17608, 18552, 23963, 26412, 35216, 37104, 47926, 52824, 54883, 71889, 95852, 105648, 109766, 143778, 164649, 191704, 219532, 287556, 329298, 383408, 439064, 575112, 658596, 878128, 1150224, 1317192, 1701373, 2634384, 3402746, 5104119, 6805492, 10208238, 13610984, 20416476, 27221968, 40832952, 81665904]

約数ペア:

[(1, 81665904), (2, 40832952), (3, 27221968), (4, 20416476), (6, 13610984), (8, 10208238), (12, 6805492), (16, 5104119), (24, 3402746), (31, 2634384), (48, 1701373), (62, 1317192), (71, 1150224), (93, 878128), (124, 658596), (142, 575112), (186, 439064), (213, 383408), (248, 329298), (284, 287556), (372, 219532), (426, 191704), (496, 164649), (568, 143778), (744, 109766), (773, 105648), (852, 95852), (1136, 71889), (1488, 54883), (1546, 52824), (1704, 47926), (2201, 37104), (2319, 35216), (3092, 26412), (3408, 23963), (4402, 18552), (4638, 17608), (6184, 13206), (6603, 12368), (8804, 9276)]