64703261

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{2087}}^1$

素因数の和:2240

約数の個数: 16

約数和(自身を含む): 76437504

約数和(自身を除く): 11734243

約数列:

[1, 7, 43, 103, 301, 721, 2087, 4429, 14609, 31003, 89741, 214961, 628187, 1504727, 9243323, 64703261]

約数ペア:

[(1, 64703261), (7, 9243323), (43, 1504727), (103, 628187), (301, 214961), (721, 89741), (2087, 31003), (4429, 14609)]