289787144

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{320561}}^1$

素因数の和:320680

約数の個数: 16

約数和(自身を含む): 548161020

約数和(自身を除く): 258373876

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 320561, 641122, 1282244, 2564488, 36223393, 72446786, 144893572, 289787144]

約数ペア:

[(1, 289787144), (2, 144893572), (4, 72446786), (8, 36223393), (113, 2564488), (226, 1282244), (452, 641122), (904, 320561)]