2080421618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{680321}}^1$

素因数の和:680473

約数の個数: 16

約数和(自身を含む): 3428822880

約数和(自身を除く): 1348401262

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 680321, 1360642, 7483531, 14967062, 94564619, 189129238, 1040210809, 2080421618]

約数ペア:

[(1, 2080421618), (2, 1040210809), (11, 189129238), (22, 94564619), (139, 14967062), (278, 7483531), (1529, 1360642), (3058, 680321)]