127991345

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{4051}}^1$

素因数の和:4216

約数の個数: 16

約数和(自身を含む): 157541760

約数和(自身を除く): 29550415

約数列:

[1, 5, 71, 89, 355, 445, 4051, 6319, 20255, 31595, 287621, 360539, 1438105, 1802695, 25598269, 127991345]

約数ペア:

[(1, 127991345), (5, 25598269), (71, 1802695), (89, 1438105), (355, 360539), (445, 287621), (4051, 31595), (6319, 20255)]