28293287

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2230

約数の個数: 16

約数和(自身を含む): 33156864

約数和(自身を除く): 4863577

約数列:

[1, 11, 17, 71, 187, 781, 1207, 2131, 13277, 23441, 36227, 151301, 398497, 1664311, 2572117, 28293287]

約数ペア:

[(1, 28293287), (11, 2572117), (17, 1664311), (71, 398497), (187, 151301), (781, 36227), (1207, 23441), (2131, 13277)]