128475771824

素因数分解:

$2^4\times {\mathrm{2903}}^1\times {\mathrm{2766013}}^1$

素因数の和:2768924

約数の個数: 20

約数和(自身を含む): 249007644336

約数和(自身を除く): 120531872512

約数列:

[1, 2, 4, 8, 16, 2903, 5806, 11612, 23224, 46448, 2766013, 5532026, 11064052, 22128104, 44256208, 8029735739, 16059471478, 32118942956, 64237885912, 128475771824]

約数ペア:

[(1, 128475771824), (2, 64237885912), (4, 32118942956), (8, 16059471478), (16, 8029735739), (2903, 44256208), (5806, 22128104), (11612, 11064052), (23224, 5532026), (46448, 2766013)]