8639848

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 19595520

約数和(自身を除く): 10955672

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 53, 56, 71, 82, 106, 142, 164, 212, 284, 287, 328, 371, 424, 497, 568, 574, 742, 994, 1148, 1484, 1988, 2173, 2296, 2911, 2968, 3763, 3976, 4346, 5822, 7526, 8692, 11644, 15052, 15211, 17384, 20377, 23288, 26341, 30104, 30422, 40754, 52682, 60844, 81508, 105364, 121688, 154283, 163016, 210728, 308566, 617132, 1079981, 1234264, 2159962, 4319924, 8639848]

約数ペア:

[(1, 8639848), (2, 4319924), (4, 2159962), (7, 1234264), (8, 1079981), (14, 617132), (28, 308566), (41, 210728), (53, 163016), (56, 154283), (71, 121688), (82, 105364), (106, 81508), (142, 60844), (164, 52682), (212, 40754), (284, 30422), (287, 30104), (328, 26341), (371, 23288), (424, 20377), (497, 17384), (568, 15211), (574, 15052), (742, 11644), (994, 8692), (1148, 7526), (1484, 5822), (1988, 4346), (2173, 3976), (2296, 3763), (2911, 2968)]