81353804

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61819}}^1$

素因数の和:61877

約数の個数: 24

約数和(自身を含む): 166172160

約数和(自身を除く): 84818356

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 61819, 123638, 247276, 432733, 865466, 1730932, 2905493, 5810986, 11621972, 20338451, 40676902, 81353804]

約数ペア:

[(1, 81353804), (2, 40676902), (4, 20338451), (7, 11621972), (14, 5810986), (28, 2905493), (47, 1730932), (94, 865466), (188, 432733), (329, 247276), (658, 123638), (1316, 61819)]