668538199

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{106949}}^1$

素因数の和:107022

約数の個数: 16

約数和(自身を含む): 821376000

約数和(自身を除く): 152837801

約数列:

[1, 7, 19, 47, 133, 329, 893, 6251, 106949, 748643, 2032031, 5026603, 14224217, 35186221, 95505457, 668538199]

約数ペア:

[(1, 668538199), (7, 95505457), (19, 35186221), (47, 14224217), (133, 5026603), (329, 2032031), (893, 748643), (6251, 106949)]