78697864

素因数分解:

$2^3\times 7^1\times {\mathrm{1405319}}^1$

素因数の和:1405332

約数の個数: 16

約数和(自身を含む): 168638400

約数和(自身を除く): 89940536

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1405319, 2810638, 5621276, 9837233, 11242552, 19674466, 39348932, 78697864]

約数ペア:

[(1, 78697864), (2, 39348932), (4, 19674466), (7, 11242552), (8, 9837233), (14, 5621276), (28, 2810638), (56, 1405319)]