201219999716

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{636772151}}^1$

素因数の和:636772234

約数の個数: 12

約数和(自身を含む): 356592405120

約数和(自身を除く): 155372405404

約数列:

[1, 2, 4, 79, 158, 316, 636772151, 1273544302, 2547088604, 50304999929, 100609999858, 201219999716]

約数ペア:

[(1, 201219999716), (2, 100609999858), (4, 50304999929), (79, 2547088604), (158, 1273544302), (316, 636772151)]