66689812

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{13159}}^1$

素因数の和:13351

約数の個数: 24

約数和(自身を含む): 134126720

約数和(自身を除く): 67436908

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 5068, 13159, 26318, 52636, 92113, 184226, 368452, 2381779, 4763558, 9527116, 16672453, 33344906, 66689812]

約数ペア:

[(1, 66689812), (2, 33344906), (4, 16672453), (7, 9527116), (14, 4763558), (28, 2381779), (181, 368452), (362, 184226), (724, 92113), (1267, 52636), (2534, 26318), (5068, 13159)]