129336740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{497449}}^1$

素因数の和:497471

約数の個数: 24

約数和(自身を含む): 292500600

約数和(自身を除く): 163163860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 497449, 994898, 1989796, 2487245, 4974490, 6466837, 9948980, 12933674, 25867348, 32334185, 64668370, 129336740]

約数ペア:

[(1, 129336740), (2, 64668370), (4, 32334185), (5, 25867348), (10, 12933674), (13, 9948980), (20, 6466837), (26, 4974490), (52, 2487245), (65, 1989796), (130, 994898), (260, 497449)]