51487993

素因数分解:

${\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 54604800

約数和(自身を除く): 3116807

約数列:

[1, 31, 71, 149, 157, 2201, 4619, 4867, 10579, 11147, 23393, 327949, 345557, 725183, 1660903, 51487993]

約数ペア:

[(1, 51487993), (31, 1660903), (71, 725183), (149, 345557), (157, 327949), (2201, 23393), (4619, 11147), (4867, 10579)]