81500474

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{52177}}^1$

素因数の和:52261

約数の個数: 16

約数和(自身を含む): 135245376

約数和(自身を除く): 53744902

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 52177, 104354, 573947, 1147894, 3704567, 7409134, 40750237, 81500474]

約数ペア:

[(1, 81500474), (2, 40750237), (11, 7409134), (22, 3704567), (71, 1147894), (142, 573947), (781, 104354), (1562, 52177)]