157216717

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{23371}}^1$

素因数の和:23440

約数の個数: 12

約数和(自身を含む): 185667168

約数和(自身を除く): 28450451

約数列:

[1, 7, 31, 217, 961, 6727, 23371, 163597, 724501, 5071507, 22459531, 157216717]

約数ペア:

[(1, 157216717), (7, 22459531), (31, 5071507), (217, 724501), (961, 163597), (6727, 23371)]