81724048

素因数分解:

$2^4\times 7^1\times {\mathrm{729679}}^1$

素因数の和:729694

約数の個数: 20

約数和(自身を含む): 180960640

約数和(自身を除く): 99236592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 729679, 1459358, 2918716, 5107753, 5837432, 10215506, 11674864, 20431012, 40862024, 81724048]

約数ペア:

[(1, 81724048), (2, 40862024), (4, 20431012), (7, 11674864), (8, 10215506), (14, 5837432), (16, 5107753), (28, 2918716), (56, 1459358), (112, 729679)]