1994847455

素因数分解:

$5^1\times {\mathrm{421}}^2\times {\mathrm{2251}}^1$

素因数の和:3098

約数の個数: 12

約数和(自身を含む): 2400582456

約数和(自身を除く): 405735001

約数列:

[1, 5, 421, 2105, 2251, 11255, 177241, 886205, 947671, 4738355, 398969491, 1994847455]

約数ペア:

[(1, 1994847455), (5, 398969491), (421, 4738355), (2105, 947671), (2251, 886205), (11255, 177241)]