81289768

素因数分解:

$2^3\times 7^1\times {\mathrm{1451603}}^1$

素因数の和:1451616

約数の個数: 16

約数和(自身を含む): 174192480

約数和(自身を除く): 92902712

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1451603, 2903206, 5806412, 10161221, 11612824, 20322442, 40644884, 81289768]

約数ペア:

[(1, 81289768), (2, 40644884), (4, 20322442), (7, 11612824), (8, 10161221), (14, 5806412), (28, 2903206), (56, 1451603)]