78239212

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{189901}}^1$

素因数の和:190008

約数の個数: 12

約数和(自身を含む): 138248656

約数和(自身を除く): 60009444

約数列:

[1, 2, 4, 103, 206, 412, 189901, 379802, 759604, 19559803, 39119606, 78239212]

約数ペア:

[(1, 78239212), (2, 39119606), (4, 19559803), (103, 759604), (206, 379802), (412, 189901)]