217080206

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{816091}}^1$

素因数の和:816119

約数の個数: 16

約数和(自身を含む): 391724160

約数和(自身を除く): 174643954

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 816091, 1632182, 5712637, 11425274, 15505729, 31011458, 108540103, 217080206]

約数ペア:

[(1, 217080206), (2, 108540103), (7, 31011458), (14, 15505729), (19, 11425274), (38, 5712637), (133, 1632182), (266, 816091)]