129489556

素因数分解:

$2^2\times 7^2\times {\mathrm{660661}}^1$

素因数の和:660679

約数の個数: 18

約数和(自身を含む): 263604138

約数和(自身を除く): 134114582

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 660661, 1321322, 2642644, 4624627, 9249254, 18498508, 32372389, 64744778, 129489556]

約数ペア:

[(1, 129489556), (2, 64744778), (4, 32372389), (7, 18498508), (14, 9249254), (28, 4624627), (49, 2642644), (98, 1321322), (196, 660661)]