28684642

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107837}}^1$

素因数の和:107865

約数の個数: 16

約数和(自身を含む): 51762240

約数和(自身を除く): 23077598

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 107837, 215674, 754859, 1509718, 2048903, 4097806, 14342321, 28684642]

約数ペア:

[(1, 28684642), (2, 14342321), (7, 4097806), (14, 2048903), (19, 1509718), (38, 754859), (133, 215674), (266, 107837)]