138839422090

素因数分解:

$2^1\times 5^1\times {\mathrm{701}}^1\times {\mathrm{19805909}}^1$

素因数の和:19806617

約数の個数: 16

約数和(自身を含む): 250267478760

約数和(自身を除く): 111428056670

約数列:

[1, 2, 5, 10, 701, 1402, 3505, 7010, 19805909, 39611818, 99029545, 198059090, 13883942209, 27767884418, 69419711045, 138839422090]

約数ペア:

[(1, 138839422090), (2, 69419711045), (5, 27767884418), (10, 13883942209), (701, 198059090), (1402, 99029545), (3505, 39611818), (7010, 19805909)]