64639195

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1\times {\mathrm{401}}^1$

素因数の和:822

約数の個数: 16

約数和(自身を含む): 78766272

約数和(自身を除く): 14127077

約数列:

[1, 5, 103, 313, 401, 515, 1565, 2005, 32239, 41303, 125513, 161195, 206515, 627565, 12927839, 64639195]

約数ペア:

[(1, 64639195), (5, 12927839), (103, 627565), (313, 206515), (401, 161195), (515, 125513), (1565, 41303), (2005, 32239)]