28240128

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:149

約数の個数: 216

約数和(自身を含む): 99485568

約数和(自身を除く): 71245440

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 51, 56, 63, 64, 68, 72, 84, 96, 102, 103, 112, 119, 126, 128, 136, 144, 153, 168, 192, 204, 206, 224, 238, 252, 256, 272, 288, 306, 309, 336, 357, 384, 408, 412, 448, 476, 504, 544, 576, 612, 618, 672, 714, 721, 768, 816, 824, 896, 927, 952, 1008, 1071, 1088, 1152, 1224, 1236, 1344, 1428, 1442, 1632, 1648, 1751, 1792, 1854, 1904, 2016, 2142, 2163, 2176, 2304, 2448, 2472, 2688, 2856, 2884, 3264, 3296, 3502, 3708, 3808, 4032, 4284, 4326, 4352, 4896, 4944, 5253, 5376, 5712, 5768, 6489, 6528, 6592, 7004, 7416, 7616, 8064, 8568, 8652, 9792, 9888, 10506, 11424, 11536, 12257, 12978, 13056, 13184, 14008, 14832, 15232, 15759, 16128, 17136, 17304, 19584, 19776, 21012, 22848, 23072, 24514, 25956, 26368, 28016, 29664, 30464, 31518, 34272, 34608, 36771, 39168, 39552, 42024, 45696, 46144, 49028, 51912, 56032, 59328, 63036, 68544, 69216, 73542, 79104, 84048, 91392, 92288, 98056, 103824, 110313, 112064, 118656, 126072, 137088, 138432, 147084, 168096, 184576, 196112, 207648, 220626, 224128, 237312, 252144, 274176, 276864, 294168, 336192, 392224, 415296, 441252, 448256, 504288, 553728, 588336, 672384, 784448, 830592, 882504, 1008576, 1176672, 1344768, 1568896, 1661184, 1765008, 2017152, 2353344, 3137792, 3530016, 4034304, 4706688, 7060032, 9413376, 14120064, 28240128]

約数ペア:

[(1, 28240128), (2, 14120064), (3, 9413376), (4, 7060032), (6, 4706688), (7, 4034304), (8, 3530016), (9, 3137792), (12, 2353344), (14, 2017152), (16, 1765008), (17, 1661184), (18, 1568896), (21, 1344768), (24, 1176672), (28, 1008576), (32, 882504), (34, 830592), (36, 784448), (42, 672384), (48, 588336), (51, 553728), (56, 504288), (63, 448256), (64, 441252), (68, 415296), (72, 392224), (84, 336192), (96, 294168), (102, 276864), (103, 274176), (112, 252144), (119, 237312), (126, 224128), (128, 220626), (136, 207648), (144, 196112), (153, 184576), (168, 168096), (192, 147084), (204, 138432), (206, 137088), (224, 126072), (238, 118656), (252, 112064), (256, 110313), (272, 103824), (288, 98056), (306, 92288), (309, 91392), (336, 84048), (357, 79104), (384, 73542), (408, 69216), (412, 68544), (448, 63036), (476, 59328), (504, 56032), (544, 51912), (576, 49028), (612, 46144), (618, 45696), (672, 42024), (714, 39552), (721, 39168), (768, 36771), (816, 34608), (824, 34272), (896, 31518), (927, 30464), (952, 29664), (1008, 28016), (1071, 26368), (1088, 25956), (1152, 24514), (1224, 23072), (1236, 22848), (1344, 21012), (1428, 19776), (1442, 19584), (1632, 17304), (1648, 17136), (1751, 16128), (1792, 15759), (1854, 15232), (1904, 14832), (2016, 14008), (2142, 13184), (2163, 13056), (2176, 12978), (2304, 12257), (2448, 11536), (2472, 11424), (2688, 10506), (2856, 9888), (2884, 9792), (3264, 8652), (3296, 8568), (3502, 8064), (3708, 7616), (3808, 7416), (4032, 7004), (4284, 6592), (4326, 6528), (4352, 6489), (4896, 5768), (4944, 5712), (5253, 5376)]