639642755

素因数分解:

$5^1\times {\mathrm{433}}^1\times {\mathrm{439}}^1\times {\mathrm{673}}^1$

素因数の和:1550

約数の個数: 16

約数和(自身を含む): 772242240

約数和(自身を除く): 132599485

約数列:

[1, 5, 433, 439, 673, 2165, 2195, 3365, 190087, 291409, 295447, 950435, 1457045, 1477235, 127928551, 639642755]

約数ペア:

[(1, 639642755), (5, 127928551), (433, 1477235), (439, 1457045), (673, 950435), (2165, 295447), (2195, 291409), (3365, 190087)]