66913315

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{21481}}^1$

素因数の和:21582

約数の個数: 16

約数和(自身を含む): 92802240

約数和(自身を除く): 25888925

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 21481, 107405, 150367, 751835, 1911809, 9559045, 13382663, 66913315]

約数ペア:

[(1, 66913315), (5, 13382663), (7, 9559045), (35, 1911809), (89, 751835), (445, 150367), (623, 107405), (3115, 21481)]