399778844

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{317}}^1\times {\mathrm{3061}}^1$

素因数の和:3485

約数の個数: 24

約数和(自身を含む): 708865248

約数和(自身を除く): 309086404

約数列:

[1, 2, 4, 103, 206, 317, 412, 634, 1268, 3061, 6122, 12244, 32651, 65302, 130604, 315283, 630566, 970337, 1261132, 1940674, 3881348, 99944711, 199889422, 399778844]

約数ペア:

[(1, 399778844), (2, 199889422), (4, 99944711), (103, 3881348), (206, 1940674), (317, 1261132), (412, 970337), (634, 630566), (1268, 315283), (3061, 130604), (6122, 65302), (12244, 32651)]