638325063794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{208739393}}^1$

素因数の和:208739545

約数の個数: 16

約数和(自身を含む): 1052046545760

約数和(自身を除く): 413721481966

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 208739393, 417478786, 2296133323, 4592266646, 29014775627, 58029551254, 319162531897, 638325063794]

約数ペア:

[(1, 638325063794), (2, 319162531897), (11, 58029551254), (22, 29014775627), (139, 4592266646), (278, 2296133323), (1529, 417478786), (3058, 208739393)]