31439990

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{27823}}^1$

素因数の和:27943

約数の個数: 16

約数和(自身を含む): 57094848

約数和(自身を除く): 25654858

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 27823, 55646, 139115, 278230, 3143999, 6287998, 15719995, 31439990]

約数ペア:

[(1, 31439990), (2, 15719995), (5, 6287998), (10, 3143999), (113, 278230), (226, 139115), (565, 55646), (1130, 27823)]