31356454

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{757}}^1$

素因数の和:1047

約数の個数: 16

約数和(自身を含む): 47754000

約数和(自身を除く): 16397546

約数列:

[1, 2, 139, 149, 278, 298, 757, 1514, 20711, 41422, 105223, 112793, 210446, 225586, 15678227, 31356454]

約数ペア:

[(1, 31356454), (2, 15678227), (139, 225586), (149, 210446), (278, 112793), (298, 105223), (757, 41422), (1514, 20711)]