2165720368

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{1879}}^1$

素因数の和:2186

約数の個数: 80

約数和(自身を含む): 4934684160

約数和(自身を除く): 2768963792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 251, 287, 328, 502, 574, 656, 1004, 1148, 1757, 1879, 2008, 2296, 3514, 3758, 4016, 4592, 7028, 7516, 10291, 13153, 14056, 15032, 20582, 26306, 28112, 30064, 41164, 52612, 72037, 77039, 82328, 105224, 144074, 154078, 164656, 210448, 288148, 308156, 471629, 539273, 576296, 616312, 943258, 1078546, 1152592, 1232624, 1886516, 2157092, 3301403, 3773032, 4314184, 6602806, 7546064, 8628368, 13205612, 19336789, 26411224, 38673578, 52822448, 77347156, 135357523, 154694312, 270715046, 309388624, 541430092, 1082860184, 2165720368]

約数ペア:

[(1, 2165720368), (2, 1082860184), (4, 541430092), (7, 309388624), (8, 270715046), (14, 154694312), (16, 135357523), (28, 77347156), (41, 52822448), (56, 38673578), (82, 26411224), (112, 19336789), (164, 13205612), (251, 8628368), (287, 7546064), (328, 6602806), (502, 4314184), (574, 3773032), (656, 3301403), (1004, 2157092), (1148, 1886516), (1757, 1232624), (1879, 1152592), (2008, 1078546), (2296, 943258), (3514, 616312), (3758, 576296), (4016, 539273), (4592, 471629), (7028, 308156), (7516, 288148), (10291, 210448), (13153, 164656), (14056, 154078), (15032, 144074), (20582, 105224), (26306, 82328), (28112, 77039), (30064, 72037), (41164, 52612)]