639127258

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4150177}}^1$

素因数の和:4150197

約数の個数: 16

約数和(自身を含む): 1195251264

約数和(自身を除く): 556124006

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 4150177, 8300354, 29051239, 45651947, 58102478, 91303894, 319563629, 639127258]

約数ペア:

[(1, 639127258), (2, 319563629), (7, 91303894), (11, 58102478), (14, 45651947), (22, 29051239), (77, 8300354), (154, 4150177)]