12781647618

素因数分解:

$2^1\times 3^1\times {\mathrm{677}}^1\times {\mathrm{3146639}}^1$

素因数の和:3147321

約数の個数: 16

約数和(自身を含む): 25601063040

約数和(自身を除く): 12819415422

約数列:

[1, 2, 3, 6, 677, 1354, 2031, 4062, 3146639, 6293278, 9439917, 18879834, 2130274603, 4260549206, 6390823809, 12781647618]

約数ペア:

[(1, 12781647618), (2, 6390823809), (3, 4260549206), (6, 2130274603), (677, 18879834), (1354, 9439917), (2031, 6293278), (4062, 3146639)]