77881668

素因数分解:

$2^2\times 3^1\times {\mathrm{6490139}}^1$

素因数の和:6490146

約数の個数: 12

約数和(自身を含む): 181723920

約数和(自身を除く): 103842252

約数列:

[1, 2, 3, 4, 6, 12, 6490139, 12980278, 19470417, 25960556, 38940834, 77881668]

約数ペア:

[(1, 77881668), (2, 38940834), (3, 25960556), (4, 19470417), (6, 12980278), (12, 6490139)]