78290044

素因数分解:

$2^2\times 7^2\times {\mathrm{399439}}^1$

素因数の和:399457

約数の個数: 18

約数和(自身を含む): 159376560

約数和(自身を除く): 81086516

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 399439, 798878, 1597756, 2796073, 5592146, 11184292, 19572511, 39145022, 78290044]

約数ペア:

[(1, 78290044), (2, 39145022), (4, 19572511), (7, 11184292), (14, 5592146), (28, 2796073), (49, 1597756), (98, 798878), (196, 399439)]