28513450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1987}}^1$

素因数の和:2047

約数の個数: 48

約数和(自身を含む): 62121024

約数和(自身を除く): 33607574

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 50, 70, 82, 175, 205, 287, 350, 410, 574, 1025, 1435, 1987, 2050, 2870, 3974, 7175, 9935, 13909, 14350, 19870, 27818, 49675, 69545, 81467, 99350, 139090, 162934, 347725, 407335, 570269, 695450, 814670, 1140538, 2036675, 2851345, 4073350, 5702690, 14256725, 28513450]

約数ペア:

[(1, 28513450), (2, 14256725), (5, 5702690), (7, 4073350), (10, 2851345), (14, 2036675), (25, 1140538), (35, 814670), (41, 695450), (50, 570269), (70, 407335), (82, 347725), (175, 162934), (205, 139090), (287, 99350), (350, 81467), (410, 69545), (574, 49675), (1025, 27818), (1435, 19870), (1987, 14350), (2050, 13909), (2870, 9935), (3974, 7175)]