2006389

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 2543616

約数和(自身を除く): 537227

約数列:

[1, 7, 11, 71, 77, 367, 497, 781, 2569, 4037, 5467, 26057, 28259, 182399, 286627, 2006389]

約数ペア:

[(1, 2006389), (7, 286627), (11, 182399), (71, 28259), (77, 26057), (367, 5467), (497, 4037), (781, 2569)]