639033249794

素因数分解:

$2^1\times {\mathrm{1223}}^1\times {\mathrm{26881}}^1\times {\mathrm{9719}}^1$

素因数の和:37825

約数の個数: 16

約数和(自身を含む): 959468042880

約数和(自身を除く): 320434793086

約数列:

[1, 2, 1223, 2446, 9719, 19438, 26881, 53762, 11886337, 23772674, 32875463, 65750926, 261256439, 522512878, 319516624897, 639033249794]

約数ペア:

[(1, 639033249794), (2, 319516624897), (1223, 522512878), (2446, 261256439), (9719, 65750926), (19438, 32875463), (26881, 23772674), (53762, 11886337)]