81128664

素因数分解:

$2^3\times 3^2\times {\mathrm{1126787}}^1$

素因数の和:1126799

約数の個数: 24

約数和(自身を含む): 219723660

約数和(自身を除く): 138594996

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1126787, 2253574, 3380361, 4507148, 6760722, 9014296, 10141083, 13521444, 20282166, 27042888, 40564332, 81128664]

約数ペア:

[(1, 81128664), (2, 40564332), (3, 27042888), (4, 20282166), (6, 13521444), (8, 10141083), (9, 9014296), (12, 6760722), (18, 4507148), (24, 3380361), (36, 2253574), (72, 1126787)]