81565054

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1\times {\mathrm{743}}^1$

素因数の和:1295

約数の個数: 16

約数和(自身を含む): 123742080

約数和(自身を除く): 42177026

約数列:

[1, 2, 131, 262, 419, 743, 838, 1486, 54889, 97333, 109778, 194666, 311317, 622634, 40782527, 81565054]

約数ペア:

[(1, 81565054), (2, 40782527), (131, 622634), (262, 311317), (419, 194666), (743, 109778), (838, 97333), (1486, 54889)]