51630215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2141}}^1$

素因数の和:2219

約数の個数: 32

約数和(自身を含む): 77728896

約数和(自身を除く): 26098681

約数列:

[1, 5, 7, 13, 35, 53, 65, 91, 265, 371, 455, 689, 1855, 2141, 3445, 4823, 10705, 14987, 24115, 27833, 74935, 113473, 139165, 194831, 567365, 794311, 974155, 1475149, 3971555, 7375745, 10326043, 51630215]

約数ペア:

[(1, 51630215), (5, 10326043), (7, 7375745), (13, 3971555), (35, 1475149), (53, 974155), (65, 794311), (91, 567365), (265, 194831), (371, 139165), (455, 113473), (689, 74935), (1855, 27833), (2141, 24115), (3445, 14987), (4823, 10705)]