28339564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 57657600

約数和(自身を除く): 29318036

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 109, 209, 218, 311, 418, 436, 622, 836, 1199, 1244, 2071, 2398, 3421, 4142, 4796, 5909, 6842, 8284, 11818, 13684, 22781, 23636, 33899, 45562, 64999, 67798, 91124, 129998, 135596, 259996, 372889, 644081, 745778, 1288162, 1491556, 2576324, 7084891, 14169782, 28339564]

約数ペア:

[(1, 28339564), (2, 14169782), (4, 7084891), (11, 2576324), (19, 1491556), (22, 1288162), (38, 745778), (44, 644081), (76, 372889), (109, 259996), (209, 135596), (218, 129998), (311, 91124), (418, 67798), (436, 64999), (622, 45562), (836, 33899), (1199, 23636), (1244, 22781), (2071, 13684), (2398, 11818), (3421, 8284), (4142, 6842), (4796, 5909)]