205642724

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{319321}}^1$

素因数の和:319355

約数の個数: 24

約数和(自身を含む): 429168768

約数和(自身を除く): 223526044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 319321, 638642, 1277284, 2235247, 4470494, 7344383, 8940988, 14688766, 29377532, 51410681, 102821362, 205642724]

約数ペア:

[(1, 205642724), (2, 102821362), (4, 51410681), (7, 29377532), (14, 14688766), (23, 8940988), (28, 7344383), (46, 4470494), (92, 2235247), (161, 1277284), (322, 638642), (644, 319321)]