209111042

素因数分解:

$2^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{21067}}^1$

素因数の和:21785

約数の個数: 16

約数和(自身を含む): 358998720

約数和(自身を除く): 149887678

約数列:

[1, 2, 7, 14, 709, 1418, 4963, 9926, 21067, 42134, 147469, 294938, 14936503, 29873006, 104555521, 209111042]

約数ペア:

[(1, 209111042), (2, 104555521), (7, 29873006), (14, 14936503), (709, 294938), (1418, 147469), (4963, 42134), (9926, 21067)]