12638535

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 25546752

約数和(自身を除く): 12908217

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 47, 65, 91, 105, 141, 195, 197, 235, 273, 329, 455, 591, 611, 705, 985, 987, 1365, 1379, 1645, 1833, 2561, 2955, 3055, 4137, 4277, 4935, 6895, 7683, 9165, 9259, 12805, 12831, 17927, 20685, 21385, 27777, 38415, 46295, 53781, 64155, 64813, 89635, 120367, 138885, 194439, 268905, 324065, 361101, 601835, 842569, 972195, 1805505, 2527707, 4212845, 12638535]

約数ペア:

[(1, 12638535), (3, 4212845), (5, 2527707), (7, 1805505), (13, 972195), (15, 842569), (21, 601835), (35, 361101), (39, 324065), (47, 268905), (65, 194439), (91, 138885), (105, 120367), (141, 89635), (195, 64813), (197, 64155), (235, 53781), (273, 46295), (329, 38415), (455, 27777), (591, 21385), (611, 20685), (705, 17927), (985, 12831), (987, 12805), (1365, 9259), (1379, 9165), (1645, 7683), (1833, 6895), (2561, 4935), (2955, 4277), (3055, 4137)]