31379905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{457}}^1$

素因数の和:936

約数の個数: 16

約数和(自身を含む): 39043584

約数和(自身を除く): 7663679

約数列:

[1, 5, 31, 155, 443, 457, 2215, 2285, 13733, 14167, 68665, 70835, 202451, 1012255, 6275981, 31379905]

約数ペア:

[(1, 31379905), (5, 6275981), (31, 1012255), (155, 202451), (443, 70835), (457, 68665), (2215, 14167), (2285, 13733)]