87931259

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 108218880

約数和(自身を除く): 20287621

約数列:

[1, 13, 17, 19, 43, 221, 247, 323, 487, 559, 731, 817, 4199, 6331, 8279, 9253, 9503, 10621, 13889, 20941, 107627, 120289, 157301, 180557, 272233, 355997, 397879, 2044913, 4627961, 5172427, 6763943, 87931259]

約数ペア:

[(1, 87931259), (13, 6763943), (17, 5172427), (19, 4627961), (43, 2044913), (221, 397879), (247, 355997), (323, 272233), (487, 180557), (559, 157301), (731, 120289), (817, 107627), (4199, 20941), (6331, 13889), (8279, 10621), (9253, 9503)]