28257264

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1$

素因数の和:152

約数の個数: 180

約数和(自身を含む): 96997264

約数和(自身を除く): 68740000

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 34, 36, 42, 48, 51, 56, 63, 68, 72, 84, 97, 102, 112, 119, 126, 136, 144, 153, 168, 194, 204, 238, 252, 272, 289, 291, 306, 336, 357, 388, 408, 476, 504, 578, 582, 612, 679, 714, 776, 816, 867, 873, 952, 1008, 1071, 1156, 1164, 1224, 1358, 1428, 1552, 1649, 1734, 1746, 1904, 2023, 2037, 2142, 2312, 2328, 2448, 2601, 2716, 2856, 3298, 3468, 3492, 4046, 4074, 4284, 4624, 4656, 4947, 5202, 5432, 5712, 6069, 6111, 6596, 6936, 6984, 8092, 8148, 8568, 9894, 10404, 10864, 11543, 12138, 12222, 13192, 13872, 13968, 14841, 16184, 16296, 17136, 18207, 19788, 20808, 23086, 24276, 24444, 26384, 28033, 29682, 32368, 32592, 34629, 36414, 39576, 41616, 46172, 48552, 48888, 56066, 59364, 69258, 72828, 79152, 84099, 92344, 97104, 97776, 103887, 112132, 118728, 138516, 145656, 168198, 184688, 196231, 207774, 224264, 237456, 252297, 277032, 291312, 336396, 392462, 415548, 448528, 504594, 554064, 588693, 672792, 784924, 831096, 1009188, 1177386, 1345584, 1569848, 1662192, 1766079, 2018376, 2354772, 3139696, 3532158, 4036752, 4709544, 7064316, 9419088, 14128632, 28257264]

約数ペア:

[(1, 28257264), (2, 14128632), (3, 9419088), (4, 7064316), (6, 4709544), (7, 4036752), (8, 3532158), (9, 3139696), (12, 2354772), (14, 2018376), (16, 1766079), (17, 1662192), (18, 1569848), (21, 1345584), (24, 1177386), (28, 1009188), (34, 831096), (36, 784924), (42, 672792), (48, 588693), (51, 554064), (56, 504594), (63, 448528), (68, 415548), (72, 392462), (84, 336396), (97, 291312), (102, 277032), (112, 252297), (119, 237456), (126, 224264), (136, 207774), (144, 196231), (153, 184688), (168, 168198), (194, 145656), (204, 138516), (238, 118728), (252, 112132), (272, 103887), (289, 97776), (291, 97104), (306, 92344), (336, 84099), (357, 79152), (388, 72828), (408, 69258), (476, 59364), (504, 56066), (578, 48888), (582, 48552), (612, 46172), (679, 41616), (714, 39576), (776, 36414), (816, 34629), (867, 32592), (873, 32368), (952, 29682), (1008, 28033), (1071, 26384), (1156, 24444), (1164, 24276), (1224, 23086), (1358, 20808), (1428, 19788), (1552, 18207), (1649, 17136), (1734, 16296), (1746, 16184), (1904, 14841), (2023, 13968), (2037, 13872), (2142, 13192), (2312, 12222), (2328, 12138), (2448, 11543), (2601, 10864), (2716, 10404), (2856, 9894), (3298, 8568), (3468, 8148), (3492, 8092), (4046, 6984), (4074, 6936), (4284, 6596), (4624, 6111), (4656, 6069), (4947, 5712), (5202, 5432)]