64842421

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{15727}}^1$

素因数の和:15784

約数の個数: 16

約数和(自身を含む): 80527360

約数和(自身を除く): 15684939

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 15727, 110089, 298813, 487537, 2091691, 3412759, 9263203, 64842421]

約数ペア:

[(1, 64842421), (7, 9263203), (19, 3412759), (31, 2091691), (133, 487537), (217, 298813), (589, 110089), (4123, 15727)]