28126928

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{12647}}^1$

素因数の和:12794

約数の個数: 20

約数和(自身を含む): 54892320

約数和(自身を除く): 26765392

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 12647, 25294, 50588, 101176, 202352, 1757933, 3515866, 7031732, 14063464, 28126928]

約数ペア:

[(1, 28126928), (2, 14063464), (4, 7031732), (8, 3515866), (16, 1757933), (139, 202352), (278, 101176), (556, 50588), (1112, 25294), (2224, 12647)]