28019376

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:77

約数の個数: 270

約数和(自身を含む): 105023412

約数和(自身を除く): 77004036

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 19, 21, 22, 24, 28, 33, 36, 38, 42, 44, 48, 49, 56, 57, 63, 66, 72, 76, 77, 84, 88, 98, 99, 112, 114, 126, 132, 133, 144, 147, 152, 154, 168, 171, 176, 196, 198, 209, 228, 231, 252, 264, 266, 294, 304, 308, 336, 342, 361, 392, 396, 399, 418, 441, 456, 462, 504, 528, 532, 539, 588, 616, 627, 684, 693, 722, 784, 792, 798, 836, 882, 912, 924, 931, 1008, 1064, 1078, 1083, 1176, 1197, 1232, 1254, 1368, 1386, 1444, 1463, 1584, 1596, 1617, 1672, 1764, 1848, 1862, 1881, 2128, 2156, 2166, 2352, 2394, 2508, 2527, 2736, 2772, 2793, 2888, 2926, 3192, 3234, 3249, 3344, 3528, 3696, 3724, 3762, 3971, 4312, 4332, 4389, 4788, 4851, 5016, 5054, 5544, 5586, 5776, 5852, 6384, 6468, 6498, 7056, 7448, 7524, 7581, 7942, 8379, 8624, 8664, 8778, 9576, 9702, 10032, 10108, 10241, 11088, 11172, 11704, 11913, 12936, 12996, 13167, 14896, 15048, 15162, 15884, 16758, 17328, 17556, 17689, 19152, 19404, 20216, 20482, 22344, 22743, 23408, 23826, 25872, 25992, 26334, 27797, 30096, 30324, 30723, 31768, 33516, 35112, 35378, 35739, 38808, 40432, 40964, 44688, 45486, 47652, 51984, 52668, 53067, 55594, 60648, 61446, 63536, 67032, 70224, 70756, 71478, 77616, 81928, 83391, 90972, 92169, 95304, 105336, 106134, 111188, 121296, 122892, 134064, 141512, 142956, 159201, 163856, 166782, 181944, 184338, 190608, 194579, 210672, 212268, 222376, 245784, 250173, 283024, 285912, 318402, 333564, 363888, 368676, 389158, 424536, 444752, 491568, 500346, 571824, 583737, 636804, 667128, 737352, 778316, 849072, 1000692, 1167474, 1273608, 1334256, 1474704, 1556632, 1751211, 2001384, 2334948, 2547216, 3113264, 3502422, 4002768, 4669896, 7004844, 9339792, 14009688, 28019376]

約数ペア:

[(1, 28019376), (2, 14009688), (3, 9339792), (4, 7004844), (6, 4669896), (7, 4002768), (8, 3502422), (9, 3113264), (11, 2547216), (12, 2334948), (14, 2001384), (16, 1751211), (18, 1556632), (19, 1474704), (21, 1334256), (22, 1273608), (24, 1167474), (28, 1000692), (33, 849072), (36, 778316), (38, 737352), (42, 667128), (44, 636804), (48, 583737), (49, 571824), (56, 500346), (57, 491568), (63, 444752), (66, 424536), (72, 389158), (76, 368676), (77, 363888), (84, 333564), (88, 318402), (98, 285912), (99, 283024), (112, 250173), (114, 245784), (126, 222376), (132, 212268), (133, 210672), (144, 194579), (147, 190608), (152, 184338), (154, 181944), (168, 166782), (171, 163856), (176, 159201), (196, 142956), (198, 141512), (209, 134064), (228, 122892), (231, 121296), (252, 111188), (264, 106134), (266, 105336), (294, 95304), (304, 92169), (308, 90972), (336, 83391), (342, 81928), (361, 77616), (392, 71478), (396, 70756), (399, 70224), (418, 67032), (441, 63536), (456, 61446), (462, 60648), (504, 55594), (528, 53067), (532, 52668), (539, 51984), (588, 47652), (616, 45486), (627, 44688), (684, 40964), (693, 40432), (722, 38808), (784, 35739), (792, 35378), (798, 35112), (836, 33516), (882, 31768), (912, 30723), (924, 30324), (931, 30096), (1008, 27797), (1064, 26334), (1078, 25992), (1083, 25872), (1176, 23826), (1197, 23408), (1232, 22743), (1254, 22344), (1368, 20482), (1386, 20216), (1444, 19404), (1463, 19152), (1584, 17689), (1596, 17556), (1617, 17328), (1672, 16758), (1764, 15884), (1848, 15162), (1862, 15048), (1881, 14896), (2128, 13167), (2156, 12996), (2166, 12936), (2352, 11913), (2394, 11704), (2508, 11172), (2527, 11088), (2736, 10241), (2772, 10108), (2793, 10032), (2888, 9702), (2926, 9576), (3192, 8778), (3234, 8664), (3249, 8624), (3344, 8379), (3528, 7942), (3696, 7581), (3724, 7524), (3762, 7448), (3971, 7056), (4312, 6498), (4332, 6468), (4389, 6384), (4788, 5852), (4851, 5776), (5016, 5586), (5054, 5544)]