389078014

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{643}}^1$

素因数の和:749

約数の個数: 48

約数和(自身を含む): 685017648

約数和(自身を除く): 295939634

約数列:

[1, 2, 13, 17, 26, 34, 37, 74, 221, 442, 481, 629, 643, 962, 1258, 1286, 1369, 2738, 8177, 8359, 10931, 16354, 16718, 17797, 21862, 23273, 23791, 35594, 46546, 47582, 142103, 284206, 302549, 309283, 404447, 605098, 618566, 808894, 880267, 1760534, 5257811, 10515622, 11443471, 14964539, 22886942, 29929078, 194539007, 389078014]

約数ペア:

[(1, 389078014), (2, 194539007), (13, 29929078), (17, 22886942), (26, 14964539), (34, 11443471), (37, 10515622), (74, 5257811), (221, 1760534), (442, 880267), (481, 808894), (629, 618566), (643, 605098), (962, 404447), (1258, 309283), (1286, 302549), (1369, 284206), (2738, 142103), (8177, 47582), (8359, 46546), (10931, 35594), (16354, 23791), (16718, 23273), (17797, 21862)]