66689776

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{245183}}^1$

素因数の和:245208

約数の個数: 20

約数和(自身を含む): 136812672

約数和(自身を除く): 70122896

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 245183, 490366, 980732, 1961464, 3922928, 4168111, 8336222, 16672444, 33344888, 66689776]

約数ペア:

[(1, 66689776), (2, 33344888), (4, 16672444), (8, 8336222), (16, 4168111), (17, 3922928), (34, 1961464), (68, 980732), (136, 490366), (272, 245183)]