81047708

素因数分解:

$2^2\times 7^1\times {\mathrm{2894561}}^1$

素因数の和:2894572

約数の個数: 12

約数和(自身を含む): 162095472

約数和(自身を除く): 81047764

約数列:

[1, 2, 4, 7, 14, 28, 2894561, 5789122, 11578244, 20261927, 40523854, 81047708]

約数ペア:

[(1, 81047708), (2, 40523854), (4, 20261927), (7, 11578244), (14, 5789122), (28, 2894561)]