85204912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{409639}}^1$

素因数の和:409660

約数の個数: 20

約数和(自身を含む): 177783760

約数和(自身を除く): 92578848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 409639, 819278, 1638556, 3277112, 5325307, 6554224, 10650614, 21301228, 42602456, 85204912]

約数ペア:

[(1, 85204912), (2, 42602456), (4, 21301228), (8, 10650614), (13, 6554224), (16, 5325307), (26, 3277112), (52, 1638556), (104, 819278), (208, 409639)]