90420868

素因数分解:

$2^2\times {\mathrm{1777}}^1\times {\mathrm{12721}}^1$

素因数の和:14502

約数の個数: 12

約数和(自身を含む): 158338012

約数和(自身を除く): 67917144

約数列:

[1, 2, 4, 1777, 3554, 7108, 12721, 25442, 50884, 22605217, 45210434, 90420868]

約数ペア:

[(1, 90420868), (2, 45210434), (4, 22605217), (1777, 50884), (3554, 25442), (7108, 12721)]