78840242828

素因数分解:

$2^2\times {\mathrm{1109}}^1\times {\mathrm{17772823}}^1$

素因数の和:17773936

約数の個数: 12

約数和(自身を含む): 138094842480

約数和(自身を除く): 59254599652

約数列:

[1, 2, 4, 1109, 2218, 4436, 17772823, 35545646, 71091292, 19710060707, 39420121414, 78840242828]

約数ペア:

[(1, 78840242828), (2, 39420121414), (4, 19710060707), (1109, 71091292), (2218, 35545646), (4436, 17772823)]