209898755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{3851}}^1$

素因数の和:4858

約数の個数: 16

約数和(自身を含む): 275125248

約数和(自身を除く): 65226493

約数列:

[1, 5, 11, 55, 991, 3851, 4955, 10901, 19255, 42361, 54505, 211805, 3816341, 19081705, 41979751, 209898755]

約数ペア:

[(1, 209898755), (5, 41979751), (11, 19081705), (55, 3816341), (991, 211805), (3851, 54505), (4955, 42361), (10901, 19255)]