7981985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1409}}^1$

素因数の和:1528

約数の個数: 16

約数和(自身を含む): 10558080

約数和(自身を除く): 2576095

約数列:

[1, 5, 11, 55, 103, 515, 1133, 1409, 5665, 7045, 15499, 77495, 145127, 725635, 1596397, 7981985]

約数ペア:

[(1, 7981985), (5, 1596397), (11, 725635), (55, 145127), (103, 77495), (515, 15499), (1133, 7045), (1409, 5665)]