1666280161

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{883}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 2085108480

約数和(自身を除く): 418828319

約数列:

[1, 7, 13, 89, 91, 233, 623, 883, 1157, 1631, 3029, 6181, 8099, 11479, 20737, 21203, 78587, 80353, 145159, 205739, 269581, 550109, 1021631, 1440173, 1887067, 2674607, 7151417, 18310771, 18722249, 128175397, 238040023, 1666280161]

約数ペア:

[(1, 1666280161), (7, 238040023), (13, 128175397), (89, 18722249), (91, 18310771), (233, 7151417), (623, 2674607), (883, 1887067), (1157, 1440173), (1631, 1021631), (3029, 550109), (6181, 269581), (8099, 205739), (11479, 145159), (20737, 80353), (21203, 78587)]