64131221

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{3637}}^1$

素因数の和:3884

約数の個数: 16

約数和(自身を含む): 80327040

約数和(自身を除く): 16195819

約数列:

[1, 7, 11, 77, 229, 1603, 2519, 3637, 17633, 25459, 40007, 280049, 832873, 5830111, 9161603, 64131221]

約数ペア:

[(1, 64131221), (7, 9161603), (11, 5830111), (77, 832873), (229, 280049), (1603, 40007), (2519, 25459), (3637, 17633)]