85641712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{411739}}^1$

素因数の和:411760

約数の個数: 20

約数和(自身を含む): 178695160

約数和(自身を除く): 93053448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 411739, 823478, 1646956, 3293912, 5352607, 6587824, 10705214, 21410428, 42820856, 85641712]

約数ペア:

[(1, 85641712), (2, 42820856), (4, 21410428), (8, 10705214), (13, 6587824), (16, 5352607), (26, 3293912), (52, 1646956), (104, 823478), (208, 411739)]