636403438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{208111}}^1$

素因数の和:208263

約数の個数: 16

約数和(自身を含む): 1048884480

約数和(自身を除く): 412481042

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 208111, 416222, 2289221, 4578442, 28927429, 57854858, 318201719, 636403438]

約数ペア:

[(1, 636403438), (2, 318201719), (11, 57854858), (22, 28927429), (139, 4578442), (278, 2289221), (1529, 416222), (3058, 208111)]