28071736

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 66240000

約数和(自身を除く): 38168264

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 199, 229, 308, 398, 458, 616, 796, 916, 1393, 1592, 1603, 1832, 2189, 2519, 2786, 3206, 4378, 5038, 5572, 6412, 8756, 10076, 11144, 12824, 15323, 17512, 17633, 20152, 30646, 35266, 45571, 61292, 70532, 91142, 122584, 141064, 182284, 318997, 364568, 501281, 637994, 1002562, 1275988, 2005124, 2551976, 3508967, 4010248, 7017934, 14035868, 28071736]

約数ペア:

[(1, 28071736), (2, 14035868), (4, 7017934), (7, 4010248), (8, 3508967), (11, 2551976), (14, 2005124), (22, 1275988), (28, 1002562), (44, 637994), (56, 501281), (77, 364568), (88, 318997), (154, 182284), (199, 141064), (229, 122584), (308, 91142), (398, 70532), (458, 61292), (616, 45571), (796, 35266), (916, 30646), (1393, 20152), (1592, 17633), (1603, 17512), (1832, 15323), (2189, 12824), (2519, 11144), (2786, 10076), (3206, 8756), (4378, 6412), (5038, 5572)]