261047202

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{257443}}^1$

素因数の和:257474

約数の個数: 24

約数和(自身を含む): 565347024

約数和(自身を除く): 304299822

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 257443, 514886, 772329, 1544658, 3346759, 6693518, 10040277, 20080554, 43507867, 87015734, 130523601, 261047202]

約数ペア:

[(1, 261047202), (2, 130523601), (3, 87015734), (6, 43507867), (13, 20080554), (26, 10040277), (39, 6693518), (78, 3346759), (169, 1544658), (338, 772329), (507, 514886), (1014, 257443)]