28569289

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2909}}^1$

素因数の和:3000

約数の個数: 16

約数和(自身を含む): 34640640

約数和(自身を除く): 6071351

約数列:

[1, 7, 23, 61, 161, 427, 1403, 2909, 9821, 20363, 66907, 177449, 468349, 1242143, 4081327, 28569289]

約数ペア:

[(1, 28569289), (7, 4081327), (23, 1242143), (61, 468349), (161, 177449), (427, 66907), (1403, 20363), (2909, 9821)]