28713216

素因数分解:

$2^8\times 3^1\times 7^3\times {\mathrm{109}}^1$

素因数の和:149

約数の個数: 144

約数和(自身を含む): 89936000

約数和(自身を除く): 61222784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 109, 112, 128, 147, 168, 192, 196, 218, 224, 256, 294, 327, 336, 343, 384, 392, 436, 448, 588, 654, 672, 686, 763, 768, 784, 872, 896, 1029, 1176, 1308, 1344, 1372, 1526, 1568, 1744, 1792, 2058, 2289, 2352, 2616, 2688, 2744, 3052, 3136, 3488, 4116, 4578, 4704, 5232, 5341, 5376, 5488, 6104, 6272, 6976, 8232, 9156, 9408, 10464, 10682, 10976, 12208, 12544, 13952, 16023, 16464, 18312, 18816, 20928, 21364, 21952, 24416, 27904, 32046, 32928, 36624, 37387, 37632, 41856, 42728, 43904, 48832, 64092, 65856, 73248, 74774, 83712, 85456, 87808, 97664, 112161, 128184, 131712, 146496, 149548, 170912, 195328, 224322, 256368, 263424, 292992, 299096, 341824, 448644, 512736, 585984, 598192, 683648, 897288, 1025472, 1196384, 1367296, 1794576, 2050944, 2392768, 3589152, 4101888, 4785536, 7178304, 9571072, 14356608, 28713216]

約数ペア:

[(1, 28713216), (2, 14356608), (3, 9571072), (4, 7178304), (6, 4785536), (7, 4101888), (8, 3589152), (12, 2392768), (14, 2050944), (16, 1794576), (21, 1367296), (24, 1196384), (28, 1025472), (32, 897288), (42, 683648), (48, 598192), (49, 585984), (56, 512736), (64, 448644), (84, 341824), (96, 299096), (98, 292992), (109, 263424), (112, 256368), (128, 224322), (147, 195328), (168, 170912), (192, 149548), (196, 146496), (218, 131712), (224, 128184), (256, 112161), (294, 97664), (327, 87808), (336, 85456), (343, 83712), (384, 74774), (392, 73248), (436, 65856), (448, 64092), (588, 48832), (654, 43904), (672, 42728), (686, 41856), (763, 37632), (768, 37387), (784, 36624), (872, 32928), (896, 32046), (1029, 27904), (1176, 24416), (1308, 21952), (1344, 21364), (1372, 20928), (1526, 18816), (1568, 18312), (1744, 16464), (1792, 16023), (2058, 13952), (2289, 12544), (2352, 12208), (2616, 10976), (2688, 10682), (2744, 10464), (3052, 9408), (3136, 9156), (3488, 8232), (4116, 6976), (4578, 6272), (4704, 6104), (5232, 5488), (5341, 5376)]