209725865

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1\times {\mathrm{1123}}^1$

素因数の和:2080

約数の個数: 16

約数和(自身を含む): 258322176

約数和(自身を除く): 48596311

約数列:

[1, 5, 41, 205, 911, 1123, 4555, 5615, 37351, 46043, 186755, 230215, 1023053, 5115265, 41945173, 209725865]

約数ペア:

[(1, 209725865), (5, 41945173), (41, 5115265), (205, 1023053), (911, 230215), (1123, 186755), (4555, 46043), (5615, 37351)]