12913999

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 16374960

約数和(自身を除く): 3460961

約数列:

[1, 7, 17, 37, 49, 119, 259, 419, 629, 833, 1813, 2933, 4403, 7123, 15503, 20531, 30821, 49861, 108521, 263551, 349027, 759647, 1844857, 12913999]

約数ペア:

[(1, 12913999), (7, 1844857), (17, 759647), (37, 349027), (49, 263551), (119, 108521), (259, 49861), (419, 30821), (629, 20531), (833, 15503), (1813, 7123), (2933, 4403)]