257890235

素因数分解:

$5^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1\times {\mathrm{673}}^1$

素因数の和:1294

約数の個数: 16

約数和(自身を含む): 312423264

約数和(自身を除く): 54533029

約数列:

[1, 5, 173, 443, 673, 865, 2215, 3365, 76639, 116429, 298139, 383195, 582145, 1490695, 51578047, 257890235]

約数ペア:

[(1, 257890235), (5, 51578047), (173, 1490695), (443, 582145), (673, 383195), (865, 298139), (2215, 116429), (3365, 76639)]