208689965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{88241}}^1$

素因数の和:88300

約数の個数: 16

約数和(自身を含む): 279550656

約数和(自身を除く): 70860691

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 88241, 441205, 970651, 3794363, 4853255, 18971815, 41737993, 208689965]

約数ペア:

[(1, 208689965), (5, 41737993), (11, 18971815), (43, 4853255), (55, 3794363), (215, 970651), (473, 441205), (2365, 88241)]