66804968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{491213}}^1$

素因数の和:491236

約数の個数: 16

約数和(自身を含む): 132627780

約数和(自身を除く): 65822812

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 491213, 982426, 1964852, 3929704, 8350621, 16701242, 33402484, 66804968]

約数ペア:

[(1, 66804968), (2, 33402484), (4, 16701242), (8, 8350621), (17, 3929704), (34, 1964852), (68, 982426), (136, 491213)]