1709981

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 32

約数和(自身を含む): 2365440

約数和(自身を除く): 655459

約数列:

[1, 7, 13, 19, 23, 43, 91, 133, 161, 247, 299, 301, 437, 559, 817, 989, 1729, 2093, 3059, 3913, 5681, 5719, 6923, 10621, 12857, 18791, 39767, 74347, 89999, 131537, 244283, 1709981]

約数ペア:

[(1, 1709981), (7, 244283), (13, 131537), (19, 89999), (23, 74347), (43, 39767), (91, 18791), (133, 12857), (161, 10621), (247, 6923), (299, 5719), (301, 5681), (437, 3913), (559, 3059), (817, 2093), (989, 1729)]