81318536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{14753}}^1$

素因数の和:14825

約数の個数: 32

約数和(自身を含む): 167310360

約数和(自身を除く): 85991824

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 14753, 29506, 59012, 118024, 191789, 383578, 767156, 781909, 1534312, 1563818, 3127636, 6255272, 10164817, 20329634, 40659268, 81318536]

約数ペア:

[(1, 81318536), (2, 40659268), (4, 20329634), (8, 10164817), (13, 6255272), (26, 3127636), (52, 1563818), (53, 1534312), (104, 781909), (106, 767156), (212, 383578), (424, 191789), (689, 118024), (1378, 59012), (2756, 29506), (5512, 14753)]