66694256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{219389}}^1$

素因数の和:219416

約数の個数: 20

約数和(自身を含む): 136021800

約数和(自身を除く): 69327544

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 219389, 438778, 877556, 1755112, 3510224, 4168391, 8336782, 16673564, 33347128, 66694256]

約数ペア:

[(1, 66694256), (2, 33347128), (4, 16673564), (8, 8336782), (16, 4168391), (19, 3510224), (38, 1755112), (76, 877556), (152, 438778), (304, 219389)]