2800721161

素因数分解:

$7^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1\times {\mathrm{2803}}^1$

素因数の和:3568

約数の個数: 16

約数和(自身を含む): 3218992000

約数和(自身を除く): 418270839

約数列:

[1, 7, 349, 409, 2443, 2803, 2863, 19621, 142741, 978247, 999187, 1146427, 6847729, 8024989, 400103023, 2800721161]

約数ペア:

[(1, 2800721161), (7, 400103023), (349, 8024989), (409, 6847729), (2443, 1146427), (2803, 999187), (2863, 978247), (19621, 142741)]