51666404

素因数分解:

$2^2\times {\mathrm{661}}^1\times {\mathrm{19541}}^1$

素因数の和:20206

約数の個数: 12

約数和(自身を含む): 90557628

約数和(自身を除く): 38891224

約数列:

[1, 2, 4, 661, 1322, 2644, 19541, 39082, 78164, 12916601, 25833202, 51666404]

約数ペア:

[(1, 51666404), (2, 25833202), (4, 12916601), (661, 78164), (1322, 39082), (2644, 19541)]