66689972

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{31517}}^1$

素因数の和:31567

約数の個数: 18

約数和(自身を含む): 122006178

約数和(自身を除く): 55316206

約数列:

[1, 2, 4, 23, 46, 92, 529, 1058, 2116, 31517, 63034, 126068, 724891, 1449782, 2899564, 16672493, 33344986, 66689972]

約数ペア:

[(1, 66689972), (2, 33344986), (4, 16672493), (23, 2899564), (46, 1449782), (92, 724891), (529, 126068), (1058, 63034), (2116, 31517)]