42389.0000000

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1811}}^1$

素因数の和:1884

約数の個数: 16

約数和(自身を含む): 5392512

約数和(自身を除く): 1526027

約数列:

[1, 5, 7, 35, 61, 305, 427, 1811, 2135, 9055, 12677, 63385, 110471, 552355, 773297, 3866485]

約数ペア:

[(1, 3866485), (5, 773297), (7, 552355), (35, 110471), (61, 63385), (305, 12677), (427, 9055), (1811, 2135)]