390468404

素因数分解:

$2^2\times {\mathrm{181}}^1\times {\mathrm{539321}}^1$

素因数の和:539506

約数の個数: 12

約数和(自身を含む): 687096228

約数和(自身を除く): 296627824

約数列:

[1, 2, 4, 181, 362, 724, 539321, 1078642, 2157284, 97617101, 195234202, 390468404]

約数ペア:

[(1, 390468404), (2, 195234202), (4, 97617101), (181, 2157284), (362, 1078642), (724, 539321)]