28140272

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{12653}}^1$

素因数の和:12800

約数の個数: 20

約数和(自身を含む): 54918360

約数和(自身を除く): 26778088

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 12653, 25306, 50612, 101224, 202448, 1758767, 3517534, 7035068, 14070136, 28140272]

約数ペア:

[(1, 28140272), (2, 14070136), (4, 7035068), (8, 3517534), (16, 1758767), (139, 202448), (278, 101224), (556, 50612), (1112, 25306), (2224, 12653)]