256871196

素因数分解:

$2^2\times 3^3\times {\mathrm{821}}^1\times {\mathrm{2897}}^1$

素因数の和:3731

約数の個数: 48

約数和(自身を含む): 667003680

約数和(自身を除く): 410132484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 821, 1642, 2463, 2897, 3284, 4926, 5794, 7389, 8691, 9852, 11588, 14778, 17382, 22167, 26073, 29556, 34764, 44334, 52146, 78219, 88668, 104292, 156438, 312876, 2378437, 4756874, 7135311, 9513748, 14270622, 21405933, 28541244, 42811866, 64217799, 85623732, 128435598, 256871196]

約数ペア:

[(1, 256871196), (2, 128435598), (3, 85623732), (4, 64217799), (6, 42811866), (9, 28541244), (12, 21405933), (18, 14270622), (27, 9513748), (36, 7135311), (54, 4756874), (108, 2378437), (821, 312876), (1642, 156438), (2463, 104292), (2897, 88668), (3284, 78219), (4926, 52146), (5794, 44334), (7389, 34764), (8691, 29556), (9852, 26073), (11588, 22167), (14778, 17382)]