68520571

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 83466240

約数和(自身を除く): 14945669

約数列:

[1, 7, 31, 49, 79, 217, 553, 571, 1519, 2449, 3871, 3997, 17143, 17701, 27979, 45109, 120001, 123907, 315763, 867349, 1398379, 2210341, 9788653, 68520571]

約数ペア:

[(1, 68520571), (7, 9788653), (31, 2210341), (49, 1398379), (79, 867349), (217, 315763), (553, 123907), (571, 120001), (1519, 45109), (2449, 27979), (3871, 17701), (3997, 17143)]