28657656

素因数分解:

$2^3\times 3^2\times {\mathrm{398023}}^1$

素因数の和:398035

約数の個数: 24

約数和(自身を含む): 77614680

約数和(自身を除く): 48957024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 398023, 796046, 1194069, 1592092, 2388138, 3184184, 3582207, 4776276, 7164414, 9552552, 14328828, 28657656]

約数ペア:

[(1, 28657656), (2, 14328828), (3, 9552552), (4, 7164414), (6, 4776276), (8, 3582207), (9, 3184184), (12, 2388138), (18, 1592092), (24, 1194069), (36, 796046), (72, 398023)]