28251184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1913}}^1$

素因数の和:2005

約数の個数: 40

約数和(自身を含む): 59808672

約数和(自身を除く): 31557488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 1913, 3692, 3826, 7384, 7652, 14768, 15304, 24869, 30608, 49738, 99476, 135823, 198952, 271646, 397904, 543292, 1086584, 1765699, 2173168, 3531398, 7062796, 14125592, 28251184]

約数ペア:

[(1, 28251184), (2, 14125592), (4, 7062796), (8, 3531398), (13, 2173168), (16, 1765699), (26, 1086584), (52, 543292), (71, 397904), (104, 271646), (142, 198952), (208, 135823), (284, 99476), (568, 49738), (923, 30608), (1136, 24869), (1846, 15304), (1913, 14768), (3692, 7652), (3826, 7384)]