66689252

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{21851}}^1$

素因数の和:21971

約数の個数: 24

約数和(自身を含む): 134608320

約数和(自身を除く): 67919068

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 21851, 43702, 87404, 152957, 305914, 611828, 2381759, 4763518, 9527036, 16672313, 33344626, 66689252]

約数ペア:

[(1, 66689252), (2, 33344626), (4, 16672313), (7, 9527036), (14, 4763518), (28, 2381759), (109, 611828), (218, 305914), (436, 152957), (763, 87404), (1526, 43702), (3052, 21851)]