51278645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 69672960

約数和(自身を除く): 18394315

約数列:

[1, 5, 11, 47, 55, 83, 235, 239, 415, 517, 913, 1195, 2585, 2629, 3901, 4565, 11233, 13145, 19505, 19837, 42911, 56165, 99185, 123563, 214555, 218207, 617815, 932339, 1091035, 4661695, 10255729, 51278645]

約数ペア:

[(1, 51278645), (5, 10255729), (11, 4661695), (47, 1091035), (55, 932339), (83, 617815), (235, 218207), (239, 214555), (415, 123563), (517, 99185), (913, 56165), (1195, 42911), (2585, 19837), (2629, 19505), (3901, 13145), (4565, 11233)]