28769377

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 36154944

約数和(自身を除く): 7385567

約数列:

[1, 7, 13, 83, 91, 169, 293, 581, 1079, 1183, 2051, 3809, 7553, 14027, 24319, 26663, 49517, 98189, 170233, 316147, 346619, 2213029, 4109911, 28769377]

約数ペア:

[(1, 28769377), (7, 4109911), (13, 2213029), (83, 346619), (91, 316147), (169, 170233), (293, 98189), (581, 49517), (1079, 26663), (1183, 24319), (2051, 14027), (3809, 7553)]