12456913

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 15088000

約数和(自身を除く): 2631087

約数列:

[1, 7, 19, 133, 229, 409, 1603, 2863, 4351, 7771, 30457, 54397, 93661, 655627, 1779559, 12456913]

約数ペア:

[(1, 12456913), (7, 1779559), (19, 655627), (133, 93661), (229, 54397), (409, 30457), (1603, 7771), (2863, 4351)]