257850005

素因数分解:

$5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{8287}}^1$

素因数の和:8433

約数の個数: 24

約数和(自身を含む): 362815488

約数和(自身を除く): 104965483

約数列:

[1, 5, 7, 35, 49, 127, 245, 635, 889, 4445, 6223, 8287, 31115, 41435, 58009, 290045, 406063, 1052449, 2030315, 5262245, 7367143, 36835715, 51570001, 257850005]

約数ペア:

[(1, 257850005), (5, 51570001), (7, 36835715), (35, 7367143), (49, 5262245), (127, 2030315), (245, 1052449), (635, 406063), (889, 290045), (4445, 58009), (6223, 41435), (8287, 31115)]