390727676

素因数分解:

$2^2\times {\mathrm{661}}^1\times {\mathrm{147779}}^1$

素因数の和:148444

約数の個数: 12

約数和(自身を含む): 684812520

約数和(自身を除く): 294084844

約数列:

[1, 2, 4, 661, 1322, 2644, 147779, 295558, 591116, 97681919, 195363838, 390727676]

約数ペア:

[(1, 390727676), (2, 195363838), (4, 97681919), (661, 591116), (1322, 295558), (2644, 147779)]