208722505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{5479}}^1$

素因数の和:5904

約数の個数: 16

約数和(自身を含む): 264355200

約数和(自身を除く): 55632695

約数列:

[1, 5, 19, 95, 401, 2005, 5479, 7619, 27395, 38095, 104101, 520505, 2197079, 10985395, 41744501, 208722505]

約数ペア:

[(1, 208722505), (5, 41744501), (19, 10985395), (95, 2197079), (401, 520505), (2005, 104101), (5479, 38095), (7619, 27395)]