248744595

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1249}}^1$

素因数の和:1356

約数の個数: 64

約数和(自身を含む): 466560000

約数和(自身を除く): 217815405

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 71, 85, 165, 187, 213, 255, 355, 561, 781, 935, 1065, 1207, 1249, 2343, 2805, 3621, 3747, 3905, 6035, 6245, 11715, 13277, 13739, 18105, 18735, 21233, 39831, 41217, 63699, 66385, 68695, 88679, 106165, 199155, 206085, 233563, 266037, 318495, 443395, 700689, 975469, 1167815, 1330185, 1507543, 2926407, 3503445, 4522629, 4877345, 7537715, 14632035, 16582973, 22613145, 49748919, 82914865, 248744595]

約数ペア:

[(1, 248744595), (3, 82914865), (5, 49748919), (11, 22613145), (15, 16582973), (17, 14632035), (33, 7537715), (51, 4877345), (55, 4522629), (71, 3503445), (85, 2926407), (165, 1507543), (187, 1330185), (213, 1167815), (255, 975469), (355, 700689), (561, 443395), (781, 318495), (935, 266037), (1065, 233563), (1207, 206085), (1249, 199155), (2343, 106165), (2805, 88679), (3621, 68695), (3747, 66385), (3905, 63699), (6035, 41217), (6245, 39831), (11715, 21233), (13277, 18735), (13739, 18105)]