261569007068

素因数分解:

$2^2\times {\mathrm{877}}^1\times {\mathrm{4391}}^1\times {\mathrm{16981}}^1$

素因数の和:22253

約数の個数: 24

約数和(自身を含む): 458399065824

約数和(自身を除く): 196830058756

約数列:

[1, 2, 4, 877, 1754, 3508, 4391, 8782, 16981, 17564, 33962, 67924, 3850907, 7701814, 14892337, 15403628, 29784674, 59569348, 74563571, 149127142, 298254284, 65392251767, 130784503534, 261569007068]

約数ペア:

[(1, 261569007068), (2, 130784503534), (4, 65392251767), (877, 298254284), (1754, 149127142), (3508, 74563571), (4391, 59569348), (8782, 29784674), (16981, 15403628), (17564, 14892337), (33962, 7701814), (67924, 3850907)]