2439906

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 5838624

約数和(自身を除く): 3398718

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 193, 258, 294, 301, 386, 579, 602, 903, 1158, 1351, 1806, 2107, 2702, 4053, 4214, 6321, 8106, 8299, 9457, 12642, 16598, 18914, 24897, 28371, 49794, 56742, 58093, 116186, 174279, 348558, 406651, 813302, 1219953, 2439906]

約数ペア:

[(1, 2439906), (2, 1219953), (3, 813302), (6, 406651), (7, 348558), (14, 174279), (21, 116186), (42, 58093), (43, 56742), (49, 49794), (86, 28371), (98, 24897), (129, 18914), (147, 16598), (193, 12642), (258, 9457), (294, 8299), (301, 8106), (386, 6321), (579, 4214), (602, 4053), (903, 2702), (1158, 2107), (1351, 1806)]