638245718

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{2637379}}^1$

素因数の和:2637403

約数の個数: 12

約数和(自身を含む): 1052314620

約数和(自身を除く): 414068902

約数列:

[1, 2, 11, 22, 121, 242, 2637379, 5274758, 29011169, 58022338, 319122859, 638245718]

約数ペア:

[(1, 638245718), (2, 319122859), (11, 58022338), (22, 29011169), (121, 5274758), (242, 2637379)]