8965789

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 10731520

約数和(自身を除く): 1765731

約数列:

[1, 7, 31, 79, 217, 523, 553, 2449, 3661, 16213, 17143, 41317, 113491, 289219, 1280827, 8965789]

約数ペア:

[(1, 8965789), (7, 1280827), (31, 289219), (79, 113491), (217, 41317), (523, 17143), (553, 16213), (2449, 3661)]