128220293159

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{9686507}}^1$

素因数の和:9686606

約数の個数: 16

約数和(自身を含む): 153744254976

約数和(自身を除く): 25523961817

約数列:

[1, 7, 31, 61, 217, 427, 1891, 13237, 9686507, 67805549, 300281717, 590876927, 2101972019, 4136138489, 18317184737, 128220293159]

約数ペア:

[(1, 128220293159), (7, 18317184737), (31, 4136138489), (61, 2101972019), (217, 590876927), (427, 300281717), (1891, 67805549), (13237, 9686507)]