28180728

素因数分解:

$2^3\times 3^2\times {\mathrm{391399}}^1$

素因数の和:391411

約数の個数: 24

約数和(自身を含む): 76323000

約数和(自身を除く): 48142272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 391399, 782798, 1174197, 1565596, 2348394, 3131192, 3522591, 4696788, 7045182, 9393576, 14090364, 28180728]

約数ペア:

[(1, 28180728), (2, 14090364), (3, 9393576), (4, 7045182), (6, 4696788), (8, 3522591), (9, 3131192), (12, 2348394), (18, 1565596), (24, 1174197), (36, 782798), (72, 391399)]