644420221256

素因数分解:

$2^3\times 7^1\times {\mathrm{11507503951}}^1$

素因数の和:11507503964

約数の個数: 16

約数和(自身を含む): 1380900474240

約数和(自身を除く): 736480252984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 11507503951, 23015007902, 46030015804, 80552527657, 92060031608, 161105055314, 322210110628, 644420221256]

約数ペア:

[(1, 644420221256), (2, 322210110628), (4, 161105055314), (7, 92060031608), (8, 80552527657), (14, 46030015804), (28, 23015007902), (56, 11507503951)]