12878264

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 29030400

約数和(自身を除く): 16152136

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 71, 79, 82, 142, 158, 164, 284, 287, 316, 328, 497, 553, 568, 574, 632, 994, 1106, 1148, 1988, 2212, 2296, 2911, 3239, 3976, 4424, 5609, 5822, 6478, 11218, 11644, 12956, 20377, 22436, 22673, 23288, 25912, 39263, 40754, 44872, 45346, 78526, 81508, 90692, 157052, 163016, 181384, 229969, 314104, 459938, 919876, 1609783, 1839752, 3219566, 6439132, 12878264]

約数ペア:

[(1, 12878264), (2, 6439132), (4, 3219566), (7, 1839752), (8, 1609783), (14, 919876), (28, 459938), (41, 314104), (56, 229969), (71, 181384), (79, 163016), (82, 157052), (142, 90692), (158, 81508), (164, 78526), (284, 45346), (287, 44872), (316, 40754), (328, 39263), (497, 25912), (553, 23288), (568, 22673), (574, 22436), (632, 20377), (994, 12956), (1106, 11644), (1148, 11218), (1988, 6478), (2212, 5822), (2296, 5609), (2911, 4424), (3239, 3976)]