390617812

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{44449}}^1$

素因数の和:44492

約数の個数: 24

約数和(自身を含む): 740537000

約数和(自身を除く): 349919188

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 2197, 4394, 8788, 44449, 88898, 177796, 577837, 1155674, 2311348, 7511881, 15023762, 30047524, 97654453, 195308906, 390617812]

約数ペア:

[(1, 390617812), (2, 195308906), (4, 97654453), (13, 30047524), (26, 15023762), (52, 7511881), (169, 2311348), (338, 1155674), (676, 577837), (2197, 177796), (4394, 88898), (8788, 44449)]