78867796

素因数分解:

$2^2\times 7^1\times {\mathrm{2816707}}^1$

素因数の和:2816718

約数の個数: 12

約数和(自身を含む): 157735648

約数和(自身を除く): 78867852

約数列:

[1, 2, 4, 7, 14, 28, 2816707, 5633414, 11266828, 19716949, 39433898, 78867796]

約数ペア:

[(1, 78867796), (2, 39433898), (4, 19716949), (7, 11266828), (14, 5633414), (28, 2816707)]