139968117770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{2157671}}^1$

素因数の和:2158190

約数の個数: 32

約数和(自身を含む): 271866672000

約数和(自身を除く): 131898554230

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 499, 998, 2495, 4990, 6487, 12974, 32435, 64870, 2157671, 4315342, 10788355, 21576710, 28049723, 56099446, 140248615, 280497230, 1076677829, 2153355658, 5383389145, 10766778290, 13996811777, 27993623554, 69984058885, 139968117770]

約数ペア:

[(1, 139968117770), (2, 69984058885), (5, 27993623554), (10, 13996811777), (13, 10766778290), (26, 5383389145), (65, 2153355658), (130, 1076677829), (499, 280497230), (998, 140248615), (2495, 56099446), (4990, 28049723), (6487, 21576710), (12974, 10788355), (32435, 4315342), (64870, 2157671)]