72220247

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{857}}^1$

素因数の和:1078

約数の個数: 16

約数和(自身を含む): 81050112

約数和(自身を除く): 8829865

約数列:

[1, 11, 47, 163, 517, 857, 1793, 7661, 9427, 40279, 84271, 139691, 443069, 1536601, 6565477, 72220247]

約数ペア:

[(1, 72220247), (11, 6565477), (47, 1536601), (163, 443069), (517, 139691), (857, 84271), (1793, 40279), (7661, 9427)]