1630973390

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{398771}}^1$

素因数の和:399187

約数の個数: 16

約数和(自身を含む): 2942937360

約数和(自身を除く): 1311963970

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 398771, 797542, 1993855, 3987710, 163097339, 326194678, 815486695, 1630973390]

約数ペア:

[(1, 1630973390), (2, 815486695), (5, 326194678), (10, 163097339), (409, 3987710), (818, 1993855), (2045, 797542), (4090, 398771)]