139489804

素因数分解:

$2^2\times {\mathrm{5431}}^1\times {\mathrm{6421}}^1$

素因数の和:11856

約数の個数: 12

約数和(自身を含む): 244190128

約数和(自身を除く): 104700324

約数列:

[1, 2, 4, 5431, 6421, 10862, 12842, 21724, 25684, 34872451, 69744902, 139489804]

約数ペア:

[(1, 139489804), (2, 69744902), (4, 34872451), (5431, 25684), (6421, 21724), (10862, 12842)]