1661014789

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{93901}}^1$

素因数の和:93953

約数の個数: 18

約数和(自身を含む): 2039269734

約数和(自身を除く): 378254945

約数列:

[1, 7, 19, 49, 133, 361, 931, 2527, 17689, 93901, 657307, 1784119, 4601149, 12488833, 33898261, 87421831, 237287827, 1661014789]

約数ペア:

[(1, 1661014789), (7, 237287827), (19, 87421831), (49, 33898261), (133, 12488833), (361, 4601149), (931, 1784119), (2527, 657307), (17689, 93901)]