31890115

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{773}}^1$

素因数の和:1038

約数の個数: 16

約数和(自身を含む): 39529728

約数和(自身を除く): 7639613

約数列:

[1, 5, 37, 185, 223, 773, 1115, 3865, 8251, 28601, 41255, 143005, 172379, 861895, 6378023, 31890115]

約数ペア:

[(1, 31890115), (5, 6378023), (37, 861895), (185, 172379), (223, 143005), (773, 41255), (1115, 28601), (3865, 8251)]