78786484

素因数分解:

$2^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{4349}}^1$

素因数の和:5007

約数の個数: 24

約数和(自身を含む): 157852800

約数和(自身を除く): 79066316

約数列:

[1, 2, 4, 7, 14, 28, 647, 1294, 2588, 4349, 4529, 8698, 9058, 17396, 18116, 30443, 60886, 121772, 2813803, 5627606, 11255212, 19696621, 39393242, 78786484]

約数ペア:

[(1, 78786484), (2, 39393242), (4, 19696621), (7, 11255212), (14, 5627606), (28, 2813803), (647, 121772), (1294, 60886), (2588, 30443), (4349, 18116), (4529, 17396), (8698, 9058)]