72401368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1388

約数の個数: 64

約数和(自身を含む): 159909120

約数和(自身を除く): 87507752

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 221, 248, 403, 442, 527, 806, 884, 1054, 1321, 1612, 1768, 2108, 2642, 3224, 4216, 5284, 6851, 10568, 13702, 17173, 22457, 27404, 34346, 40951, 44914, 54808, 68692, 81902, 89828, 137384, 163804, 179656, 291941, 327608, 532363, 583882, 696167, 1064726, 1167764, 1392334, 2129452, 2335528, 2784668, 4258904, 5569336, 9050171, 18100342, 36200684, 72401368]

約数ペア:

[(1, 72401368), (2, 36200684), (4, 18100342), (8, 9050171), (13, 5569336), (17, 4258904), (26, 2784668), (31, 2335528), (34, 2129452), (52, 1392334), (62, 1167764), (68, 1064726), (104, 696167), (124, 583882), (136, 532363), (221, 327608), (248, 291941), (403, 179656), (442, 163804), (527, 137384), (806, 89828), (884, 81902), (1054, 68692), (1321, 54808), (1612, 44914), (1768, 40951), (2108, 34346), (2642, 27404), (3224, 22457), (4216, 17173), (5284, 13702), (6851, 10568)]