51237505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13121}}^1$

素因数の和:13208

約数の個数: 16

約数和(自身を含む): 68024448

約数和(自身を除く): 16786943

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 13121, 65605, 144331, 721655, 931591, 4657955, 10247501, 51237505]

約数ペア:

[(1, 51237505), (5, 10247501), (11, 4657955), (55, 931591), (71, 721655), (355, 144331), (781, 65605), (3905, 13121)]