68987408

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{5651}}^1$

素因数の和:5775

約数の個数: 40

約数和(自身を含む): 154186560

約数和(自身を除く): 85199152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1744, 3052, 5651, 6104, 11302, 12208, 22604, 39557, 45208, 79114, 90416, 158228, 316456, 615959, 632912, 1231918, 2463836, 4311713, 4927672, 8623426, 9855344, 17246852, 34493704, 68987408]

約数ペア:

[(1, 68987408), (2, 34493704), (4, 17246852), (7, 9855344), (8, 8623426), (14, 4927672), (16, 4311713), (28, 2463836), (56, 1231918), (109, 632912), (112, 615959), (218, 316456), (436, 158228), (763, 90416), (872, 79114), (1526, 45208), (1744, 39557), (3052, 22604), (5651, 12208), (6104, 11302)]