31187149

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1997}}^1$

素因数の和:2124

約数の個数: 16

約数和(自身を含む): 37594368

約数和(自身を除く): 6407219

約数列:

[1, 7, 23, 97, 161, 679, 1997, 2231, 13979, 15617, 45931, 193709, 321517, 1355963, 4455307, 31187149]

約数ペア:

[(1, 31187149), (7, 4455307), (23, 1355963), (97, 321517), (161, 193709), (679, 45931), (1997, 15617), (2231, 13979)]