198420656

素因数分解:

$2^4\times 7^1\times {\mathrm{1771613}}^1$

素因数の和:1771628

約数の個数: 20

約数和(自身を含む): 439360272

約数和(自身を除く): 240939616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1771613, 3543226, 7086452, 12401291, 14172904, 24802582, 28345808, 49605164, 99210328, 198420656]

約数ペア:

[(1, 198420656), (2, 99210328), (4, 49605164), (7, 28345808), (8, 24802582), (14, 14172904), (16, 12401291), (28, 7086452), (56, 3543226), (112, 1771613)]