1981900084

素因数分解:

$2^2\times {\mathrm{7211}}^1\times {\mathrm{68711}}^1$

素因数の和:75926

約数の個数: 12

約数和(自身を含む): 3468856608

約数和(自身を除く): 1486956524

約数列:

[1, 2, 4, 7211, 14422, 28844, 68711, 137422, 274844, 495475021, 990950042, 1981900084]

約数ペア:

[(1, 1981900084), (2, 990950042), (4, 495475021), (7211, 274844), (14422, 137422), (28844, 68711)]