64657439

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3319}}^1$

素因数の和:3371

約数の個数: 24

約数和(自身を含む): 84779520

約数和(自身を除く): 20122081

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1771, 2783, 3319, 19481, 23233, 36509, 76337, 255563, 401599, 534359, 839707, 2811193, 5877949, 9236777, 64657439]

約数ペア:

[(1, 64657439), (7, 9236777), (11, 5877949), (23, 2811193), (77, 839707), (121, 534359), (161, 401599), (253, 255563), (847, 76337), (1771, 36509), (2783, 23233), (3319, 19481)]