2643198790

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2017709}}^1$

素因数の和:2017847

約数の個数: 16

約数和(自身を含む): 4794078960

約数和(自身を除く): 2150880170

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 2017709, 4035418, 10088545, 20177090, 264319879, 528639758, 1321599395, 2643198790]

約数ペア:

[(1, 2643198790), (2, 1321599395), (5, 528639758), (10, 264319879), (131, 20177090), (262, 10088545), (655, 4035418), (1310, 2017709)]