2957556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 7975296

約数和(自身を除く): 5017740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 137, 257, 274, 411, 514, 548, 771, 822, 959, 1028, 1542, 1644, 1799, 1918, 2877, 3084, 3598, 3836, 5397, 5754, 7196, 10794, 11508, 21588, 35209, 70418, 105627, 140836, 211254, 246463, 422508, 492926, 739389, 985852, 1478778, 2957556]

約数ペア:

[(1, 2957556), (2, 1478778), (3, 985852), (4, 739389), (6, 492926), (7, 422508), (12, 246463), (14, 211254), (21, 140836), (28, 105627), (42, 70418), (84, 35209), (137, 21588), (257, 11508), (274, 10794), (411, 7196), (514, 5754), (548, 5397), (771, 3836), (822, 3598), (959, 3084), (1028, 2877), (1542, 1918), (1644, 1799)]