About the Number

28728864

28728863 ← → 28728865

2進数表記:1101101100101111000100000

漢数字表記:二千八百七十二万八千八百六十四

素因数分解:

2 5 × 3 3 × 41 1 × 811 1

素因数の和:871
約数の個数: 96
約数和(自身を含む): 85942080
約数和(自身を除く): 57213216

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 41, 48, 54, 72, 82, 96, 108, 123, 144, 164, 216, 246, 288, 328, 369, 432, 492, 656, 738, 811, 864, 984, 1107, 1312, 1476, 1622, 1968, 2214, 2433, 2952, 3244, 3936, 4428, 4866, 5904, 6488, 7299, 8856, 9732, 11808, 12976, 14598, 17712, 19464, 21897, 25952, 29196, 33251, 35424, 38928, 43794, 58392, 66502, 77856, 87588, 99753, 116784, 133004, 175176, 199506, 233568, 266008, 299259, 350352, 399012, 532016, 598518, 700704, 798024, 897777, 1064032, 1197036, 1596048, 1795554, 2394072, 3192096, 3591108, 4788144, 7182216, 9576288, 14364432, 28728864]

約数ペア:
[(1, 28728864), (2, 14364432), (3, 9576288), (4, 7182216), (6, 4788144), (8, 3591108), (9, 3192096), (12, 2394072), (16, 1795554), (18, 1596048), (24, 1197036), (27, 1064032), (32, 897777), (36, 798024), (41, 700704), (48, 598518), (54, 532016), (72, 399012), (82, 350352), (96, 299259), (108, 266008), (123, 233568), (144, 199506), (164, 175176), (216, 133004), (246, 116784), (288, 99753), (328, 87588), (369, 77856), (432, 66502), (492, 58392), (656, 43794), (738, 38928), (811, 35424), (864, 33251), (984, 29196), (1107, 25952), (1312, 21897), (1476, 19464), (1622, 17712), (1968, 14598), (2214, 12976), (2433, 11808), (2952, 9732), (3244, 8856), (3936, 7299), (4428, 6488), (4866, 5904)]

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