397332554

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{12637}}^1$

素因数の和:12917

約数の個数: 16

約数和(自身を含む): 606624000

約数和(自身を除く): 209291446

約数列:

[1, 2, 79, 158, 199, 398, 12637, 15721, 25274, 31442, 998323, 1996646, 2514763, 5029526, 198666277, 397332554]

約数ペア:

[(1, 397332554), (2, 198666277), (79, 5029526), (158, 2514763), (199, 1996646), (398, 998323), (12637, 31442), (15721, 25274)]