31391195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{19681}}^1$

素因数の和:19726

約数の個数: 16

約数和(自身を含む): 42513120

約数和(自身を除く): 11121925

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 19681, 98405, 216491, 570749, 1082455, 2853745, 6278239, 31391195]

約数ペア:

[(1, 31391195), (5, 6278239), (11, 2853745), (29, 1082455), (55, 570749), (145, 216491), (319, 98405), (1595, 19681)]