66689288

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{203321}}^1$

素因数の和:203368

約数の個数: 16

約数和(自身を含む): 128092860

約数和(自身を除く): 61403572

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 203321, 406642, 813284, 1626568, 8336161, 16672322, 33344644, 66689288]

約数ペア:

[(1, 66689288), (2, 33344644), (4, 16672322), (8, 8336161), (41, 1626568), (82, 813284), (164, 406642), (328, 203321)]