81274565

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{2011}}^1$

素因数の和:2212

約数の個数: 16

約数和(自身を含む): 99956160

約数和(自身を除く): 18681595

約数列:

[1, 5, 59, 137, 295, 685, 2011, 8083, 10055, 40415, 118649, 275507, 593245, 1377535, 16254913, 81274565]

約数ペア:

[(1, 81274565), (5, 16254913), (59, 1377535), (137, 593245), (295, 275507), (685, 118649), (2011, 40415), (8083, 10055)]