207978199

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1867}}^1$

素因数の和:1951

約数の個数: 32

約数和(自身を含む): 263612160

約数和(自身を除く): 55633961

約数列:

[1, 11, 13, 19, 41, 143, 209, 247, 451, 533, 779, 1867, 2717, 5863, 8569, 10127, 20537, 24271, 35473, 76547, 111397, 266981, 390203, 461149, 842017, 995111, 1454393, 5072639, 10946221, 15998323, 18907109, 207978199]

約数ペア:

[(1, 207978199), (11, 18907109), (13, 15998323), (19, 10946221), (41, 5072639), (143, 1454393), (209, 995111), (247, 842017), (451, 461149), (533, 390203), (779, 266981), (1867, 111397), (2717, 76547), (5863, 35473), (8569, 24271), (10127, 20537)]