81382834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{19937}}^1$

素因数の和:20109

約数の個数: 16

約数和(自身を含む): 132308568

約数和(自身を除く): 50925734

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 19937, 39874, 259181, 518362, 3130109, 6260218, 40691417, 81382834]

約数ペア:

[(1, 81382834), (2, 40691417), (13, 6260218), (26, 3130109), (157, 518362), (314, 259181), (2041, 39874), (4082, 19937)]