66490576

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{218719}}^1$

素因数の和:218746

約数の個数: 20

約数和(自身を含む): 135606400

約数和(自身を除く): 69115824

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 218719, 437438, 874876, 1749752, 3499504, 4155661, 8311322, 16622644, 33245288, 66490576]

約数ペア:

[(1, 66490576), (2, 33245288), (4, 16622644), (8, 8311322), (16, 4155661), (19, 3499504), (38, 1749752), (76, 874876), (152, 437438), (304, 218719)]