217254628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{14327}}^1$

素因数の和:14571

約数の個数: 24

約数和(自身を含む): 404393472

約数和(自身を除く): 187138844

約数列:

[1, 2, 4, 17, 34, 68, 223, 446, 892, 3791, 7582, 14327, 15164, 28654, 57308, 243559, 487118, 974236, 3194921, 6389842, 12779684, 54313657, 108627314, 217254628]

約数ペア:

[(1, 217254628), (2, 108627314), (4, 54313657), (17, 12779684), (34, 6389842), (68, 3194921), (223, 974236), (446, 487118), (892, 243559), (3791, 57308), (7582, 28654), (14327, 15164)]