1997276687

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1\times {\mathrm{15331}}^1$

素因数の和:15878

約数の個数: 16

約数和(自身を含む): 2349107712

約数和(自身を除く): 351831025

約数列:

[1, 7, 37, 259, 503, 3521, 15331, 18611, 107317, 130277, 567247, 3970729, 7711493, 53980451, 285325241, 1997276687]

約数ペア:

[(1, 1997276687), (7, 285325241), (37, 53980451), (259, 7711493), (503, 3970729), (3521, 567247), (15331, 130277), (18611, 107317)]