28387112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{547}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 57540000

約数和(自身を除く): 29152888

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 499, 547, 998, 1094, 1996, 2188, 3992, 4376, 6487, 7111, 12974, 14222, 25948, 28444, 51896, 56888, 272953, 545906, 1091812, 2183624, 3548389, 7096778, 14193556, 28387112]

約数ペア:

[(1, 28387112), (2, 14193556), (4, 7096778), (8, 3548389), (13, 2183624), (26, 1091812), (52, 545906), (104, 272953), (499, 56888), (547, 51896), (998, 28444), (1094, 25948), (1996, 14222), (2188, 12974), (3992, 7111), (4376, 6487)]