28162576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1907}}^1$

素因数の和:1999

約数の個数: 40

約数和(自身を含む): 59621184

約数和(自身を除く): 31458608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 1907, 3692, 3814, 7384, 7628, 14768, 15256, 24791, 30512, 49582, 99164, 135397, 198328, 270794, 396656, 541588, 1083176, 1760161, 2166352, 3520322, 7040644, 14081288, 28162576]

約数ペア:

[(1, 28162576), (2, 14081288), (4, 7040644), (8, 3520322), (13, 2166352), (16, 1760161), (26, 1083176), (52, 541588), (71, 396656), (104, 270794), (142, 198328), (208, 135397), (284, 99164), (568, 49582), (923, 30512), (1136, 24791), (1846, 15256), (1907, 14768), (3692, 7628), (3814, 7384)]