208528369

素因数分解:

$7^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{601}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 248845128

約数和(自身を除く): 40316759

約数列:

[1, 7, 49, 73, 97, 511, 601, 679, 3577, 4207, 4753, 7081, 29449, 43873, 49567, 58297, 307111, 346969, 408079, 2149777, 2856553, 4255681, 29789767, 208528369]

約数ペア:

[(1, 208528369), (7, 29789767), (49, 4255681), (73, 2856553), (97, 2149777), (511, 408079), (601, 346969), (679, 307111), (3577, 58297), (4207, 49567), (4753, 43873), (7081, 29449)]