81938195

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{2011}}^1$

素因数の和:2326

約数の個数: 16

約数和(自身を含む): 102129120

約数和(自身を除く): 20190925

約数列:

[1, 5, 29, 145, 281, 1405, 2011, 8149, 10055, 40745, 58319, 291595, 565091, 2825455, 16387639, 81938195]

約数ペア:

[(1, 81938195), (5, 16387639), (29, 2825455), (145, 565091), (281, 291595), (1405, 58319), (2011, 40745), (8149, 10055)]