28289856

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:157

約数の個数: 168

約数和(自身を含む): 90806016

約数和(自身を除く): 62516160

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 64, 84, 93, 96, 97, 98, 112, 124, 147, 168, 186, 192, 194, 196, 217, 224, 248, 291, 294, 336, 372, 388, 392, 434, 448, 496, 582, 588, 651, 672, 679, 744, 776, 784, 868, 992, 1164, 1176, 1302, 1344, 1358, 1488, 1519, 1552, 1568, 1736, 1984, 2037, 2328, 2352, 2604, 2716, 2976, 3007, 3038, 3104, 3136, 3472, 4074, 4557, 4656, 4704, 4753, 5208, 5432, 5952, 6014, 6076, 6208, 6944, 8148, 9021, 9114, 9312, 9408, 9506, 10416, 10864, 12028, 12152, 13888, 14259, 16296, 18042, 18228, 18624, 19012, 20832, 21049, 21728, 24056, 24304, 28518, 32592, 36084, 36456, 38024, 41664, 42098, 43456, 48112, 48608, 57036, 63147, 65184, 72168, 72912, 76048, 84196, 96224, 97216, 114072, 126294, 130368, 144336, 145824, 147343, 152096, 168392, 192448, 228144, 252588, 288672, 291648, 294686, 304192, 336784, 442029, 456288, 505176, 577344, 589372, 673568, 884058, 912576, 1010352, 1178744, 1347136, 1768116, 2020704, 2357488, 3536232, 4041408, 4714976, 7072464, 9429952, 14144928, 28289856]

約数ペア:

[(1, 28289856), (2, 14144928), (3, 9429952), (4, 7072464), (6, 4714976), (7, 4041408), (8, 3536232), (12, 2357488), (14, 2020704), (16, 1768116), (21, 1347136), (24, 1178744), (28, 1010352), (31, 912576), (32, 884058), (42, 673568), (48, 589372), (49, 577344), (56, 505176), (62, 456288), (64, 442029), (84, 336784), (93, 304192), (96, 294686), (97, 291648), (98, 288672), (112, 252588), (124, 228144), (147, 192448), (168, 168392), (186, 152096), (192, 147343), (194, 145824), (196, 144336), (217, 130368), (224, 126294), (248, 114072), (291, 97216), (294, 96224), (336, 84196), (372, 76048), (388, 72912), (392, 72168), (434, 65184), (448, 63147), (496, 57036), (582, 48608), (588, 48112), (651, 43456), (672, 42098), (679, 41664), (744, 38024), (776, 36456), (784, 36084), (868, 32592), (992, 28518), (1164, 24304), (1176, 24056), (1302, 21728), (1344, 21049), (1358, 20832), (1488, 19012), (1519, 18624), (1552, 18228), (1568, 18042), (1736, 16296), (1984, 14259), (2037, 13888), (2328, 12152), (2352, 12028), (2604, 10864), (2716, 10416), (2976, 9506), (3007, 9408), (3038, 9312), (3104, 9114), (3136, 9021), (3472, 8148), (4074, 6944), (4557, 6208), (4656, 6076), (4704, 6014), (4753, 5952), (5208, 5432)]