1778320816

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{1339097}}^1$

素因数の和:1339188

約数の個数: 20

約数和(自身を含む): 3487011192

約数和(自身を除く): 1708690376

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 1339097, 2678194, 5356388, 10712776, 21425552, 111145051, 222290102, 444580204, 889160408, 1778320816]

約数ペア:

[(1, 1778320816), (2, 889160408), (4, 444580204), (8, 222290102), (16, 111145051), (83, 21425552), (166, 10712776), (332, 5356388), (664, 2678194), (1328, 1339097)]