209220112

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{304099}}^1$

素因数の和:304150

約数の個数: 20

約数和(自身を含む): 414792400

約数和(自身を除く): 205572288

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 304099, 608198, 1216396, 2432792, 4865584, 13076257, 26152514, 52305028, 104610056, 209220112]

約数ペア:

[(1, 209220112), (2, 104610056), (4, 52305028), (8, 26152514), (16, 13076257), (43, 4865584), (86, 2432792), (172, 1216396), (344, 608198), (688, 304099)]