28576009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5227}}^1$

素因数の和:5316

約数の個数: 16

約数和(自身を含む): 36135936

約数和(自身を除く): 7559927

約数列:

[1, 7, 11, 71, 77, 497, 781, 5227, 5467, 36589, 57497, 371117, 402479, 2597819, 4082287, 28576009]

約数ペア:

[(1, 28576009), (7, 4082287), (11, 2597819), (71, 402479), (77, 371117), (497, 57497), (781, 36589), (5227, 5467)]