127740928

素因数分解:

$2^{10}\times 7^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:349

約数の個数: 88

約数和(自身を含む): 297126144

約数和(自身を除く): 169385216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 251, 256, 284, 448, 497, 502, 512, 568, 896, 994, 1004, 1024, 1136, 1757, 1792, 1988, 2008, 2272, 3514, 3584, 3976, 4016, 4544, 7028, 7168, 7952, 8032, 9088, 14056, 15904, 16064, 17821, 18176, 28112, 31808, 32128, 35642, 36352, 56224, 63616, 64256, 71284, 72704, 112448, 124747, 127232, 128512, 142568, 224896, 249494, 254464, 257024, 285136, 449792, 498988, 508928, 570272, 899584, 997976, 1140544, 1799168, 1995952, 2281088, 3991904, 4562176, 7983808, 9124352, 15967616, 18248704, 31935232, 63870464, 127740928]

約数ペア:

[(1, 127740928), (2, 63870464), (4, 31935232), (7, 18248704), (8, 15967616), (14, 9124352), (16, 7983808), (28, 4562176), (32, 3991904), (56, 2281088), (64, 1995952), (71, 1799168), (112, 1140544), (128, 997976), (142, 899584), (224, 570272), (251, 508928), (256, 498988), (284, 449792), (448, 285136), (497, 257024), (502, 254464), (512, 249494), (568, 224896), (896, 142568), (994, 128512), (1004, 127232), (1024, 124747), (1136, 112448), (1757, 72704), (1792, 71284), (1988, 64256), (2008, 63616), (2272, 56224), (3514, 36352), (3584, 35642), (3976, 32128), (4016, 31808), (4544, 28112), (7028, 18176), (7168, 17821), (7952, 16064), (8032, 15904), (9088, 14056)]