403980812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{5315537}}^1$

素因数の和:5315560

約数の個数: 12

約数和(自身を含む): 744175320

約数和(自身を除く): 340194508

約数列:

[1, 2, 4, 19, 38, 76, 5315537, 10631074, 21262148, 100995203, 201990406, 403980812]

約数ペア:

[(1, 403980812), (2, 201990406), (4, 100995203), (19, 21262148), (38, 10631074), (76, 5315537)]