66643728

素因数分解:

$2^4\times 3^1\times {\mathrm{1388411}}^1$

素因数の和:1388422

約数の個数: 20

約数和(自身を含む): 172163088

約数和(自身を除く): 105519360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1388411, 2776822, 4165233, 5553644, 8330466, 11107288, 16660932, 22214576, 33321864, 66643728]

約数ペア:

[(1, 66643728), (2, 33321864), (3, 22214576), (4, 16660932), (6, 11107288), (8, 8330466), (12, 5553644), (16, 4165233), (24, 2776822), (48, 1388411)]