155124556

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{279001}}^1$

素因数の和:279144

約数の個数: 12

約数和(自身を含む): 273421960

約数和(自身を除く): 118297404

約数列:

[1, 2, 4, 139, 278, 556, 279001, 558002, 1116004, 38781139, 77562278, 155124556]

約数ペア:

[(1, 155124556), (2, 77562278), (4, 38781139), (139, 1116004), (278, 558002), (556, 279001)]