66972818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{20431}}^1$

素因数の和:20593

約数の個数: 16

約数和(自身を含む): 110332800

約数和(自身を除く): 43359982

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 20431, 40862, 224741, 449482, 3044219, 6088438, 33486409, 66972818]

約数ペア:

[(1, 66972818), (2, 33486409), (11, 6088438), (22, 3044219), (149, 449482), (298, 224741), (1639, 40862), (3278, 20431)]