31415671991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3023}}^1\times {\mathrm{20101}}^1$

素因数の和:23182

約数の個数: 16

約数和(自身を含む): 35014146048

約数和(自身を除く): 3598474057

約数列:

[1, 11, 47, 517, 3023, 20101, 33253, 142081, 221111, 944747, 1562891, 10392217, 60765323, 668418553, 2855970181, 31415671991]

約数ペア:

[(1, 31415671991), (11, 2855970181), (47, 668418553), (517, 60765323), (3023, 10392217), (20101, 1562891), (33253, 944747), (142081, 221111)]