871306775

素因数分解:

$5^2\times {\mathrm{821}}^1\times {\mathrm{42451}}^1$

素因数の和:43282

約数の個数: 12

約数和(自身を含む): 1081761864

約数和(自身を除く): 210455089

約数列:

[1, 5, 25, 821, 4105, 20525, 42451, 212255, 1061275, 34852271, 174261355, 871306775]

約数ペア:

[(1, 871306775), (5, 174261355), (25, 34852271), (821, 1061275), (4105, 212255), (20525, 42451)]