81655556

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{6287}}^1$

素因数の和:6499

約数の個数: 24

約数和(自身を含む): 152119296

約数和(自身を除く): 70463740

約数列:

[1, 2, 4, 17, 34, 68, 191, 382, 764, 3247, 6287, 6494, 12574, 12988, 25148, 106879, 213758, 427516, 1200817, 2401634, 4803268, 20413889, 40827778, 81655556]

約数ペア:

[(1, 81655556), (2, 40827778), (4, 20413889), (17, 4803268), (34, 2401634), (68, 1200817), (191, 427516), (382, 213758), (764, 106879), (3247, 25148), (6287, 12988), (6494, 12574)]