281164544

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 588672000

約数和(自身を除く): 307507456

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 128, 142, 248, 256, 284, 496, 499, 568, 992, 998, 1136, 1984, 1996, 2201, 2272, 3968, 3992, 4402, 4544, 7936, 7984, 8804, 9088, 15469, 15968, 17608, 18176, 30938, 31936, 35216, 35429, 61876, 63872, 70432, 70858, 123752, 127744, 140864, 141716, 247504, 281728, 283432, 495008, 563456, 566864, 990016, 1098299, 1133728, 1980032, 2196598, 2267456, 3960064, 4393196, 4534912, 8786392, 9069824, 17572784, 35145568, 70291136, 140582272, 281164544]

約数ペア:

[(1, 281164544), (2, 140582272), (4, 70291136), (8, 35145568), (16, 17572784), (31, 9069824), (32, 8786392), (62, 4534912), (64, 4393196), (71, 3960064), (124, 2267456), (128, 2196598), (142, 1980032), (248, 1133728), (256, 1098299), (284, 990016), (496, 566864), (499, 563456), (568, 495008), (992, 283432), (998, 281728), (1136, 247504), (1984, 141716), (1996, 140864), (2201, 127744), (2272, 123752), (3968, 70858), (3992, 70432), (4402, 63872), (4544, 61876), (7936, 35429), (7984, 35216), (8804, 31936), (9088, 30938), (15469, 18176), (15968, 17608)]