256610628

素因数分解:

$2^2\times 3^2\times {\mathrm{2213}}^1\times {\mathrm{3221}}^1$

素因数の和:5444

約数の個数: 36

約数和(自身を含む): 649149228

約数和(自身を除く): 392538600

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2213, 3221, 4426, 6442, 6639, 8852, 9663, 12884, 13278, 19326, 19917, 26556, 28989, 38652, 39834, 57978, 79668, 115956, 7128073, 14256146, 21384219, 28512292, 42768438, 64152657, 85536876, 128305314, 256610628]

約数ペア:

[(1, 256610628), (2, 128305314), (3, 85536876), (4, 64152657), (6, 42768438), (9, 28512292), (12, 21384219), (18, 14256146), (36, 7128073), (2213, 115956), (3221, 79668), (4426, 57978), (6442, 39834), (6639, 38652), (8852, 28989), (9663, 26556), (12884, 19917), (13278, 19326)]