20123231407

素因数分解:

${\mathrm{31}}^2\times {\mathrm{127}}^1\times {\mathrm{164881}}^1$

素因数の和:165070

約数の個数: 12

約数和(自身を含む): 20957161728

約数和(自身を除く): 833930321

約数列:

[1, 31, 127, 961, 3937, 122047, 164881, 5111311, 20939887, 158450641, 649136497, 20123231407]

約数ペア:

[(1, 20123231407), (31, 649136497), (127, 158450641), (961, 20939887), (3937, 5111311), (122047, 164881)]