220644928

素因数分解:

$2^6\times 7^1\times {\mathrm{492511}}^1$

素因数の和:492530

約数の個数: 28

約数和(自身を含む): 500392192

約数和(自身を除く): 279747264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 492511, 985022, 1970044, 3447577, 3940088, 6895154, 7880176, 13790308, 15760352, 27580616, 31520704, 55161232, 110322464, 220644928]

約数ペア:

[(1, 220644928), (2, 110322464), (4, 55161232), (7, 31520704), (8, 27580616), (14, 15760352), (16, 13790308), (28, 7880176), (32, 6895154), (56, 3940088), (64, 3447577), (112, 1970044), (224, 985022), (448, 492511)]