78307472

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{113819}}^1$

素因数の和:113870

約数の個数: 20

約数和(自身を含む): 155250480

約数和(自身を除く): 76943008

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 113819, 227638, 455276, 910552, 1821104, 4894217, 9788434, 19576868, 39153736, 78307472]

約数ペア:

[(1, 78307472), (2, 39153736), (4, 19576868), (8, 9788434), (16, 4894217), (43, 1821104), (86, 910552), (172, 455276), (344, 227638), (688, 113819)]