28720368

素因数分解:

$2^4\times 3^2\times {\mathrm{199447}}^1$

素因数の和:199461

約数の個数: 30

約数和(自身を含む): 80377544

約数和(自身を除く): 51657176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 199447, 398894, 598341, 797788, 1196682, 1595576, 1795023, 2393364, 3191152, 3590046, 4786728, 7180092, 9573456, 14360184, 28720368]

約数ペア:

[(1, 28720368), (2, 14360184), (3, 9573456), (4, 7180092), (6, 4786728), (8, 3590046), (9, 3191152), (12, 2393364), (16, 1795023), (18, 1595576), (24, 1196682), (36, 797788), (48, 598341), (72, 398894), (144, 199447)]