2175085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 2892672

約数和(自身を除く): 717587

約数列:

[1, 5, 11, 55, 71, 355, 557, 781, 2785, 3905, 6127, 30635, 39547, 197735, 435017, 2175085]

約数ペア:

[(1, 2175085), (5, 435017), (11, 197735), (55, 39547), (71, 30635), (355, 6127), (557, 3905), (781, 2785)]