13259939

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 17108208

約数和(自身を除く): 3848269

約数列:

[1, 7, 11, 49, 73, 77, 337, 511, 539, 803, 2359, 3577, 3707, 5621, 16513, 24601, 25949, 39347, 172207, 181643, 270611, 1205449, 1894277, 13259939]

約数ペア:

[(1, 13259939), (7, 1894277), (11, 1205449), (49, 270611), (73, 181643), (77, 172207), (337, 39347), (511, 25949), (539, 24601), (803, 16513), (2359, 5621), (3577, 3707)]