208017565

素因数分解:

$5^1\times 7^1\times {\mathrm{2131}}^1\times {\mathrm{2789}}^1$

素因数の和:4932

約数の個数: 16

約数和(自身を含む): 285517440

約数和(自身を除く): 77499875

約数列:

[1, 5, 7, 35, 2131, 2789, 10655, 13945, 14917, 19523, 74585, 97615, 5943359, 29716795, 41603513, 208017565]

約数ペア:

[(1, 208017565), (5, 41603513), (7, 29716795), (35, 5943359), (2131, 97615), (2789, 74585), (10655, 19523), (13945, 14917)]