389780492

素因数分解:

$2^2\times {\mathrm{449}}^1\times {\mathrm{217027}}^1$

素因数の和:217480

約数の個数: 12

約数和(自身を含む): 683638200

約数和(自身を除く): 293857708

約数列:

[1, 2, 4, 449, 898, 1796, 217027, 434054, 868108, 97445123, 194890246, 389780492]

約数ペア:

[(1, 389780492), (2, 194890246), (4, 97445123), (449, 868108), (898, 434054), (1796, 217027)]