221640155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{14341}}^1$

素因数の和:14638

約数の個数: 16

約数和(自身を含む): 291199968

約数和(自身を除く): 69559813

約数列:

[1, 5, 11, 55, 281, 1405, 3091, 14341, 15455, 71705, 157751, 788755, 4029821, 20149105, 44328031, 221640155]

約数ペア:

[(1, 221640155), (5, 44328031), (11, 20149105), (55, 4029821), (281, 788755), (1405, 157751), (3091, 71705), (14341, 15455)]