639311903

素因数分解:

${\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{147613}}^1$

素因数の和:147745

約数の個数: 8

約数和(自身を含む): 658948896

約数和(自身を除く): 19636993

約数列:

[1, 61, 71, 4331, 147613, 9004393, 10480523, 639311903]

約数ペア:

[(1, 639311903), (61, 10480523), (71, 9004393), (4331, 147613)]