81664488

素因数分解:

$2^3\times 3^2\times {\mathrm{397}}^1\times {\mathrm{2857}}^1$

素因数の和:3266

約数の個数: 48

約数和(自身を含む): 221809380

約数和(自身を除く): 140144892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 397, 794, 1191, 1588, 2382, 2857, 3176, 3573, 4764, 5714, 7146, 8571, 9528, 11428, 14292, 17142, 22856, 25713, 28584, 34284, 51426, 68568, 102852, 205704, 1134229, 2268458, 3402687, 4536916, 6805374, 9073832, 10208061, 13610748, 20416122, 27221496, 40832244, 81664488]

約数ペア:

[(1, 81664488), (2, 40832244), (3, 27221496), (4, 20416122), (6, 13610748), (8, 10208061), (9, 9073832), (12, 6805374), (18, 4536916), (24, 3402687), (36, 2268458), (72, 1134229), (397, 205704), (794, 102852), (1191, 68568), (1588, 51426), (2382, 34284), (2857, 28584), (3176, 25713), (3573, 22856), (4764, 17142), (5714, 14292), (7146, 11428), (8571, 9528)]