331317428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{15889}}^1$

素因数の和:16307

約数の個数: 24

約数和(自身を含む): 626002440

約数和(自身を除く): 294685012

約数列:

[1, 2, 4, 13, 26, 52, 401, 802, 1604, 5213, 10426, 15889, 20852, 31778, 63556, 206557, 413114, 826228, 6371489, 12742978, 25485956, 82829357, 165658714, 331317428]

約数ペア:

[(1, 331317428), (2, 165658714), (4, 82829357), (13, 25485956), (26, 12742978), (52, 6371489), (401, 826228), (802, 413114), (1604, 206557), (5213, 63556), (10426, 31778), (15889, 20852)]