2011279265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{170231}}^1$

素因数の和:170392

約数の個数: 16

約数和(自身を含む): 2573907840

約数和(自身を除く): 562628575

約数列:

[1, 5, 17, 85, 139, 695, 2363, 11815, 170231, 851155, 2893927, 14469635, 23662109, 118310545, 402255853, 2011279265]

約数ペア:

[(1, 2011279265), (5, 402255853), (17, 118310545), (85, 23662109), (139, 14469635), (695, 2893927), (2363, 851155), (11815, 170231)]