209003005

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{5821}}^1$

素因数の和:6036

約数の個数: 16

約数和(自身を含む): 258217344

約数和(自身を除く): 49214339

約数列:

[1, 5, 43, 167, 215, 835, 5821, 7181, 29105, 35905, 250303, 972107, 1251515, 4860535, 41800601, 209003005]

約数ペア:

[(1, 209003005), (5, 41800601), (43, 4860535), (167, 1251515), (215, 972107), (835, 250303), (5821, 35905), (7181, 29105)]