208486523

素因数分解:

$7^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 247908960

約数和(自身を除く): 39422437

約数列:

[1, 7, 49, 101, 103, 409, 707, 721, 2863, 4949, 5047, 10403, 20041, 41309, 42127, 72821, 289163, 294889, 509747, 2024141, 2064223, 4254827, 29783789, 208486523]

約数ペア:

[(1, 208486523), (7, 29783789), (49, 4254827), (101, 2064223), (103, 2024141), (409, 509747), (707, 294889), (721, 289163), (2863, 72821), (4949, 42127), (5047, 41309), (10403, 20041)]