28040508

素因数分解:

$2^2\times 3^2\times {\mathrm{778903}}^1$

素因数の和:778913

約数の個数: 18

約数和(自身を含む): 70880264

約数和(自身を除く): 42839756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 778903, 1557806, 2336709, 3115612, 4673418, 7010127, 9346836, 14020254, 28040508]

約数ペア:

[(1, 28040508), (2, 14020254), (3, 9346836), (4, 7010127), (6, 4673418), (9, 3115612), (12, 2336709), (18, 1557806), (36, 778903)]