81195608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{857}}^1\times {\mathrm{911}}^1$

素因数の和:1787

約数の個数: 32

約数和(自身を含む): 164324160

約数和(自身を除く): 83128552

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 857, 911, 1714, 1822, 3428, 3644, 6856, 7288, 11141, 11843, 22282, 23686, 44564, 47372, 89128, 94744, 780727, 1561454, 3122908, 6245816, 10149451, 20298902, 40597804, 81195608]

約数ペア:

[(1, 81195608), (2, 40597804), (4, 20298902), (8, 10149451), (13, 6245816), (26, 3122908), (52, 1561454), (104, 780727), (857, 94744), (911, 89128), (1714, 47372), (1822, 44564), (3428, 23686), (3644, 22282), (6856, 11843), (7288, 11141)]