201211549

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{997}}^1\times {\mathrm{2621}}^1$

素因数の和:3636

約数の個数: 16

約数和(自身を含む): 251208576

約数和(自身を除く): 49997027

約数列:

[1, 7, 11, 77, 997, 2621, 6979, 10967, 18347, 28831, 76769, 201817, 2613137, 18291959, 28744507, 201211549]

約数ペア:

[(1, 201211549), (7, 28744507), (11, 18291959), (77, 2613137), (997, 201817), (2621, 76769), (6979, 28831), (10967, 18347)]