408020798

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{20399}}^1$

素因数の和:20611

約数の個数: 16

約数和(自身を含む): 624974400

約数和(自身を除く): 216953602

約数列:

[1, 2, 73, 137, 146, 274, 10001, 20002, 20399, 40798, 1489127, 2794663, 2978254, 5589326, 204010399, 408020798]

約数ペア:

[(1, 408020798), (2, 204010399), (73, 5589326), (137, 2978254), (146, 2794663), (274, 1489127), (10001, 40798), (20002, 20399)]