12931681

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2591}}^1$

素因数の和:2652

約数の個数: 16

約数和(自身を含む): 15925248

約数和(自身を除く): 2993567

約数列:

[1, 7, 23, 31, 161, 217, 713, 2591, 4991, 18137, 59593, 80321, 417151, 562247, 1847383, 12931681]

約数ペア:

[(1, 12931681), (7, 1847383), (23, 562247), (31, 417151), (161, 80321), (217, 59593), (713, 18137), (2591, 4991)]