1680973889

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{231571}}^1$

素因数の和:231656

約数の個数: 16

約数和(自身を含む): 2067474816

約数和(自身を除く): 386500927

約数列:

[1, 7, 17, 61, 119, 427, 1037, 7259, 231571, 1620997, 3936707, 14125831, 27556949, 98880817, 240139127, 1680973889]

約数ペア:

[(1, 1680973889), (7, 240139127), (17, 98880817), (61, 27556949), (119, 14125831), (427, 3936707), (1037, 1620997), (7259, 231571)]