215071423

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{1747}}^1$

素因数の和:2206

約数の個数: 16

約数和(自身を含む): 252271360

約数和(自身を除く): 37199937

約数列:

[1, 7, 43, 301, 409, 1747, 2863, 12229, 17587, 75121, 123109, 525847, 714523, 5001661, 30724489, 215071423]

約数ペア:

[(1, 215071423), (7, 30724489), (43, 5001661), (301, 714523), (409, 525847), (1747, 123109), (2863, 75121), (12229, 17587)]