81704568

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1571}}^1$

素因数の和:1788

約数の個数: 64

約数和(自身を含む): 224104320

約数和(自身を除く): 142399752

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 197, 264, 394, 591, 788, 1182, 1571, 1576, 2167, 2364, 3142, 4334, 4713, 4728, 6284, 6501, 8668, 9426, 12568, 13002, 17281, 17336, 18852, 26004, 34562, 37704, 51843, 52008, 69124, 103686, 138248, 207372, 309487, 414744, 618974, 928461, 1237948, 1856922, 2475896, 3404357, 3713844, 6808714, 7427688, 10213071, 13617428, 20426142, 27234856, 40852284, 81704568]

約数ペア:

[(1, 81704568), (2, 40852284), (3, 27234856), (4, 20426142), (6, 13617428), (8, 10213071), (11, 7427688), (12, 6808714), (22, 3713844), (24, 3404357), (33, 2475896), (44, 1856922), (66, 1237948), (88, 928461), (132, 618974), (197, 414744), (264, 309487), (394, 207372), (591, 138248), (788, 103686), (1182, 69124), (1571, 52008), (1576, 51843), (2167, 37704), (2364, 34562), (3142, 26004), (4334, 18852), (4713, 17336), (4728, 17281), (6284, 13002), (6501, 12568), (8668, 9426)]