64666217

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{27091}}^1$

素因数の和:27140

約数の個数: 16

約数和(自身を含む): 83226624

約数和(自身を除く): 18560407

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 27091, 189637, 298001, 839821, 2086007, 5878747, 9238031, 64666217]

約数ペア:

[(1, 64666217), (7, 9238031), (11, 5878747), (31, 2086007), (77, 839821), (217, 298001), (341, 189637), (2387, 27091)]