28008288

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:458

約数の個数: 192

約数和(自身を含む): 102090240

約数和(自身を除く): 74081952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 32, 33, 36, 42, 44, 48, 54, 56, 63, 66, 72, 77, 84, 88, 96, 99, 108, 112, 126, 132, 144, 154, 168, 176, 189, 198, 216, 224, 231, 252, 264, 288, 297, 308, 336, 352, 378, 396, 421, 432, 462, 504, 528, 594, 616, 672, 693, 756, 792, 842, 864, 924, 1008, 1056, 1188, 1232, 1263, 1386, 1512, 1584, 1684, 1848, 2016, 2079, 2376, 2464, 2526, 2772, 2947, 3024, 3168, 3368, 3696, 3789, 4158, 4631, 4752, 5052, 5544, 5894, 6048, 6736, 7392, 7578, 8316, 8841, 9262, 9504, 10104, 11088, 11367, 11788, 13472, 13893, 15156, 16632, 17682, 18524, 20208, 22176, 22734, 23576, 26523, 27786, 30312, 32417, 33264, 35364, 37048, 40416, 41679, 45468, 47152, 53046, 55572, 60624, 64834, 66528, 70728, 74096, 79569, 83358, 90936, 94304, 97251, 106092, 111144, 121248, 125037, 129668, 141456, 148192, 159138, 166716, 181872, 194502, 212184, 222288, 250074, 259336, 282912, 291753, 318276, 333432, 363744, 389004, 424368, 444576, 500148, 518672, 583506, 636552, 666864, 778008, 848736, 875259, 1000296, 1037344, 1167012, 1273104, 1333728, 1556016, 1750518, 2000592, 2334024, 2546208, 3112032, 3501036, 4001184, 4668048, 7002072, 9336096, 14004144, 28008288]

約数ペア:

[(1, 28008288), (2, 14004144), (3, 9336096), (4, 7002072), (6, 4668048), (7, 4001184), (8, 3501036), (9, 3112032), (11, 2546208), (12, 2334024), (14, 2000592), (16, 1750518), (18, 1556016), (21, 1333728), (22, 1273104), (24, 1167012), (27, 1037344), (28, 1000296), (32, 875259), (33, 848736), (36, 778008), (42, 666864), (44, 636552), (48, 583506), (54, 518672), (56, 500148), (63, 444576), (66, 424368), (72, 389004), (77, 363744), (84, 333432), (88, 318276), (96, 291753), (99, 282912), (108, 259336), (112, 250074), (126, 222288), (132, 212184), (144, 194502), (154, 181872), (168, 166716), (176, 159138), (189, 148192), (198, 141456), (216, 129668), (224, 125037), (231, 121248), (252, 111144), (264, 106092), (288, 97251), (297, 94304), (308, 90936), (336, 83358), (352, 79569), (378, 74096), (396, 70728), (421, 66528), (432, 64834), (462, 60624), (504, 55572), (528, 53046), (594, 47152), (616, 45468), (672, 41679), (693, 40416), (756, 37048), (792, 35364), (842, 33264), (864, 32417), (924, 30312), (1008, 27786), (1056, 26523), (1188, 23576), (1232, 22734), (1263, 22176), (1386, 20208), (1512, 18524), (1584, 17682), (1684, 16632), (1848, 15156), (2016, 13893), (2079, 13472), (2376, 11788), (2464, 11367), (2526, 11088), (2772, 10104), (2947, 9504), (3024, 9262), (3168, 8841), (3368, 8316), (3696, 7578), (3789, 7392), (4158, 6736), (4631, 6048), (4752, 5894), (5052, 5544)]