12984391

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{419}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 15724800

約数和(自身を除く): 2740409

約数列:

[1, 7, 19, 133, 233, 419, 1631, 2933, 4427, 7961, 30989, 55727, 97627, 683389, 1854913, 12984391]

約数ペア:

[(1, 12984391), (7, 1854913), (19, 683389), (133, 97627), (233, 55727), (419, 30989), (1631, 7961), (2933, 4427)]