129340042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{18493}}^1$

素因数の和:18777

約数の個数: 16

約数和(自身を含む): 209721960

約数和(自身を除く): 80381918

約数列:

[1, 2, 13, 26, 269, 538, 3497, 6994, 18493, 36986, 240409, 480818, 4974617, 9949234, 64670021, 129340042]

約数ペア:

[(1, 129340042), (2, 64670021), (13, 9949234), (26, 4974617), (269, 480818), (538, 240409), (3497, 36986), (6994, 18493)]