66789961

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{2281}}^1$

素因数の和:2424

約数の個数: 16

約数和(自身を含む): 78865920

約数和(自身を除く): 12075959

約数列:

[1, 7, 47, 89, 329, 623, 2281, 4183, 15967, 29281, 107207, 203009, 750449, 1421063, 9541423, 66789961]

約数ペア:

[(1, 66789961), (7, 9541423), (47, 1421063), (89, 750449), (329, 203009), (623, 107207), (2281, 29281), (4183, 15967)]