9789208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 22176000

約数和(自身を除く): 12386792

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 43, 44, 52, 86, 88, 104, 143, 172, 199, 286, 344, 398, 473, 559, 572, 796, 946, 1118, 1144, 1592, 1892, 2189, 2236, 2587, 3784, 4378, 4472, 5174, 6149, 8557, 8756, 10348, 12298, 17114, 17512, 20696, 24596, 28457, 34228, 49192, 56914, 68456, 94127, 111241, 113828, 188254, 222482, 227656, 376508, 444964, 753016, 889928, 1223651, 2447302, 4894604, 9789208]

約数ペア:

[(1, 9789208), (2, 4894604), (4, 2447302), (8, 1223651), (11, 889928), (13, 753016), (22, 444964), (26, 376508), (43, 227656), (44, 222482), (52, 188254), (86, 113828), (88, 111241), (104, 94127), (143, 68456), (172, 56914), (199, 49192), (286, 34228), (344, 28457), (398, 24596), (473, 20696), (559, 17512), (572, 17114), (796, 12298), (946, 10348), (1118, 8756), (1144, 8557), (1592, 6149), (1892, 5174), (2189, 4472), (2236, 4378), (2587, 3784)]