28709390

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{36341}}^1$

素因数の和:36427

約数の個数: 16

約数和(自身を含む): 52332480

約数和(自身を除く): 23623090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 36341, 72682, 181705, 363410, 2870939, 5741878, 14354695, 28709390]

約数ペア:

[(1, 28709390), (2, 14354695), (5, 5741878), (10, 2870939), (79, 363410), (158, 181705), (395, 72682), (790, 36341)]