157649188

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{287681}}^1$

素因数の和:287822

約数の個数: 12

約数和(自身を含む): 277900812

約数和(自身を除く): 120251624

約数列:

[1, 2, 4, 137, 274, 548, 287681, 575362, 1150724, 39412297, 78824594, 157649188]

約数ペア:

[(1, 157649188), (2, 78824594), (4, 39412297), (137, 1150724), (274, 575362), (548, 287681)]