211328545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{16981}}^1$

素因数の和:17136

約数の個数: 16

約数和(自身を含む): 268994880

約数和(自身を除く): 57666335

約数列:

[1, 5, 19, 95, 131, 655, 2489, 12445, 16981, 84905, 322639, 1613195, 2224511, 11122555, 42265709, 211328545]

約数ペア:

[(1, 211328545), (5, 42265709), (19, 11122555), (95, 2224511), (131, 1613195), (655, 322639), (2489, 84905), (12445, 16981)]