28109312

素因数分解:

$2^9\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 160

約数和(自身を含む): 75423744

約数和(自身を除く): 47314432

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 31, 32, 44, 46, 56, 62, 64, 77, 88, 92, 112, 124, 128, 154, 161, 176, 184, 217, 224, 248, 253, 256, 308, 322, 341, 352, 368, 434, 448, 496, 506, 512, 616, 644, 682, 704, 713, 736, 868, 896, 992, 1012, 1232, 1288, 1364, 1408, 1426, 1472, 1736, 1771, 1792, 1984, 2024, 2387, 2464, 2576, 2728, 2816, 2852, 2944, 3472, 3542, 3584, 3968, 4048, 4774, 4928, 4991, 5152, 5456, 5632, 5704, 5888, 6944, 7084, 7843, 7936, 8096, 9548, 9856, 9982, 10304, 10912, 11408, 11776, 13888, 14168, 15686, 15872, 16192, 19096, 19712, 19964, 20608, 21824, 22816, 27776, 28336, 31372, 32384, 38192, 39424, 39928, 41216, 43648, 45632, 54901, 55552, 56672, 62744, 64768, 76384, 79856, 82432, 87296, 91264, 109802, 111104, 113344, 125488, 129536, 152768, 159712, 174592, 182528, 219604, 226688, 250976, 305536, 319424, 365056, 439208, 453376, 501952, 611072, 638848, 878416, 906752, 1003904, 1222144, 1277696, 1756832, 2007808, 2555392, 3513664, 4015616, 7027328, 14054656, 28109312]

約数ペア:

[(1, 28109312), (2, 14054656), (4, 7027328), (7, 4015616), (8, 3513664), (11, 2555392), (14, 2007808), (16, 1756832), (22, 1277696), (23, 1222144), (28, 1003904), (31, 906752), (32, 878416), (44, 638848), (46, 611072), (56, 501952), (62, 453376), (64, 439208), (77, 365056), (88, 319424), (92, 305536), (112, 250976), (124, 226688), (128, 219604), (154, 182528), (161, 174592), (176, 159712), (184, 152768), (217, 129536), (224, 125488), (248, 113344), (253, 111104), (256, 109802), (308, 91264), (322, 87296), (341, 82432), (352, 79856), (368, 76384), (434, 64768), (448, 62744), (496, 56672), (506, 55552), (512, 54901), (616, 45632), (644, 43648), (682, 41216), (704, 39928), (713, 39424), (736, 38192), (868, 32384), (896, 31372), (992, 28336), (1012, 27776), (1232, 22816), (1288, 21824), (1364, 20608), (1408, 19964), (1426, 19712), (1472, 19096), (1736, 16192), (1771, 15872), (1792, 15686), (1984, 14168), (2024, 13888), (2387, 11776), (2464, 11408), (2576, 10912), (2728, 10304), (2816, 9982), (2852, 9856), (2944, 9548), (3472, 8096), (3542, 7936), (3584, 7843), (3968, 7084), (4048, 6944), (4774, 5888), (4928, 5704), (4991, 5632), (5152, 5456)]