78840306

素因数分解:

$2^1\times 3^2\times {\mathrm{4380017}}^1$

素因数の和:4380025

約数の個数: 12

約数和(自身を含む): 170820702

約数和(自身を除く): 91980396

約数列:

[1, 2, 3, 6, 9, 18, 4380017, 8760034, 13140051, 26280102, 39420153, 78840306]

約数ペア:

[(1, 78840306), (2, 39420153), (3, 26280102), (6, 13140051), (9, 8760034), (18, 4380017)]