218512854556

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{17431}}^1\times {\mathrm{72883}}^1$

素因数の和:90361

約数の個数: 24

約数和(自身を含む): 391318277504

約数和(自身を除く): 172805422948

約数列:

[1, 2, 4, 43, 86, 172, 17431, 34862, 69724, 72883, 145766, 291532, 749533, 1499066, 2998132, 3133969, 6267938, 12535876, 1270423573, 2540847146, 5081694292, 54628213639, 109256427278, 218512854556]

約数ペア:

[(1, 218512854556), (2, 109256427278), (4, 54628213639), (43, 5081694292), (86, 2540847146), (172, 1270423573), (17431, 12535876), (34862, 6267938), (69724, 3133969), (72883, 2998132), (145766, 1499066), (291532, 749533)]