78111628

素因数分解:

$2^2\times 7^1\times {\mathrm{2789701}}^1$

素因数の和:2789712

約数の個数: 12

約数和(自身を含む): 156223312

約数和(自身を除く): 78111684

約数列:

[1, 2, 4, 7, 14, 28, 2789701, 5579402, 11158804, 19527907, 39055814, 78111628]

約数ペア:

[(1, 78111628), (2, 39055814), (4, 19527907), (7, 11158804), (14, 5579402), (28, 2789701)]