42939985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{911}}^1$

素因数の和:1784

約数の個数: 16

約数和(自身を含む): 56339712

約数和(自身を除く): 13399727

約数列:

[1, 5, 11, 55, 857, 911, 4285, 4555, 9427, 10021, 47135, 50105, 780727, 3903635, 8587997, 42939985]

約数ペア:

[(1, 42939985), (5, 8587997), (11, 3903635), (55, 780727), (857, 50105), (911, 47135), (4285, 10021), (4555, 9427)]