199637072

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{121139}}^1$

素因数の和:121250

約数の個数: 20

約数和(自身を含む): 390555360

約数和(自身を除く): 190918288

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 121139, 242278, 484556, 969112, 1938224, 12477317, 24954634, 49909268, 99818536, 199637072]

約数ペア:

[(1, 199637072), (2, 99818536), (4, 49909268), (8, 24954634), (16, 12477317), (103, 1938224), (206, 969112), (412, 484556), (824, 242278), (1648, 121139)]