256433856

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:407

約数の個数: 168

約数和(自身を含む): 800228016

約数和(自身を除く): 543794160

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 97, 98, 112, 147, 168, 192, 194, 196, 224, 281, 291, 294, 336, 388, 392, 448, 562, 582, 588, 672, 679, 776, 784, 843, 1124, 1164, 1176, 1344, 1358, 1552, 1568, 1686, 1967, 2037, 2248, 2328, 2352, 2716, 3104, 3136, 3372, 3934, 4074, 4496, 4656, 4704, 4753, 5432, 5901, 6208, 6744, 7868, 8148, 8992, 9312, 9408, 9506, 10864, 11802, 13488, 13769, 14259, 15736, 16296, 17984, 18624, 19012, 21728, 23604, 26976, 27257, 27538, 28518, 31472, 32592, 38024, 41307, 43456, 47208, 53952, 54514, 55076, 57036, 62944, 65184, 76048, 81771, 82614, 94416, 109028, 110152, 114072, 125888, 130368, 152096, 163542, 165228, 188832, 190799, 218056, 220304, 228144, 304192, 327084, 330456, 377664, 381598, 436112, 440608, 456288, 572397, 654168, 660912, 763196, 872224, 881216, 912576, 1144794, 1308336, 1321824, 1335593, 1526392, 1744448, 2289588, 2616672, 2643648, 2671186, 3052784, 4006779, 4579176, 5233344, 5342372, 6105568, 8013558, 9158352, 10684744, 12211136, 16027116, 18316704, 21369488, 32054232, 36633408, 42738976, 64108464, 85477952, 128216928, 256433856]

約数ペア:

[(1, 256433856), (2, 128216928), (3, 85477952), (4, 64108464), (6, 42738976), (7, 36633408), (8, 32054232), (12, 21369488), (14, 18316704), (16, 16027116), (21, 12211136), (24, 10684744), (28, 9158352), (32, 8013558), (42, 6105568), (48, 5342372), (49, 5233344), (56, 4579176), (64, 4006779), (84, 3052784), (96, 2671186), (97, 2643648), (98, 2616672), (112, 2289588), (147, 1744448), (168, 1526392), (192, 1335593), (194, 1321824), (196, 1308336), (224, 1144794), (281, 912576), (291, 881216), (294, 872224), (336, 763196), (388, 660912), (392, 654168), (448, 572397), (562, 456288), (582, 440608), (588, 436112), (672, 381598), (679, 377664), (776, 330456), (784, 327084), (843, 304192), (1124, 228144), (1164, 220304), (1176, 218056), (1344, 190799), (1358, 188832), (1552, 165228), (1568, 163542), (1686, 152096), (1967, 130368), (2037, 125888), (2248, 114072), (2328, 110152), (2352, 109028), (2716, 94416), (3104, 82614), (3136, 81771), (3372, 76048), (3934, 65184), (4074, 62944), (4496, 57036), (4656, 55076), (4704, 54514), (4753, 53952), (5432, 47208), (5901, 43456), (6208, 41307), (6744, 38024), (7868, 32592), (8148, 31472), (8992, 28518), (9312, 27538), (9408, 27257), (9506, 26976), (10864, 23604), (11802, 21728), (13488, 19012), (13769, 18624), (14259, 17984), (15736, 16296)]