251283571

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{20021}}^1$

素因数の和:20202

約数の個数: 16

約数和(自身を含む): 315226368

約数和(自身を除く): 63942797

約数列:

[1, 7, 11, 77, 163, 1141, 1793, 12551, 20021, 140147, 220231, 1541617, 3263423, 22843961, 35897653, 251283571]

約数ペア:

[(1, 251283571), (7, 35897653), (11, 22843961), (77, 3263423), (163, 1541617), (1141, 220231), (1793, 140147), (12551, 20021)]