28384912

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{12763}}^1$

素因数の和:12910

約数の個数: 20

約数和(自身を含む): 55395760

約数和(自身を除く): 27010848

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 12763, 25526, 51052, 102104, 204208, 1774057, 3548114, 7096228, 14192456, 28384912]

約数ペア:

[(1, 28384912), (2, 14192456), (4, 7096228), (8, 3548114), (16, 1774057), (139, 204208), (278, 102104), (556, 51052), (1112, 25526), (2224, 12763)]