205236572

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{404009}}^1$

素因数の和:404140

約数の個数: 12

約数和(自身を含む): 361992960

約数和(自身を除く): 156756388

約数列:

[1, 2, 4, 127, 254, 508, 404009, 808018, 1616036, 51309143, 102618286, 205236572]

約数ペア:

[(1, 205236572), (2, 102618286), (4, 51309143), (127, 1616036), (254, 808018), (508, 404009)]