12915007

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 15282432

約数和(自身を除く): 2367425

約数列:

[1, 7, 43, 107, 301, 401, 749, 2807, 4601, 17243, 32207, 42907, 120701, 300349, 1845001, 12915007]

約数ペア:

[(1, 12915007), (7, 1845001), (43, 300349), (107, 120701), (301, 42907), (401, 32207), (749, 17243), (2807, 4601)]