209007865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{17041}}^1$

素因数の和:17280

約数の個数: 16

約数和(自身を含む): 274853376

約数和(自身を除く): 65845511

約数列:

[1, 5, 11, 55, 223, 1115, 2453, 12265, 17041, 85205, 187451, 937255, 3800143, 19000715, 41801573, 209007865]

約数ペア:

[(1, 209007865), (5, 41801573), (11, 19000715), (55, 3800143), (223, 937255), (1115, 187451), (2453, 85205), (12265, 17041)]