210502019

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{6553}}^1$

素因数の和:6926

約数の個数: 16

約数和(自身を含む): 259852992

約数和(自身を除く): 49350973

約数列:

[1, 7, 13, 91, 353, 2471, 4589, 6553, 32123, 45871, 85189, 596323, 2313209, 16192463, 30071717, 210502019]

約数ペア:

[(1, 210502019), (7, 30071717), (13, 16192463), (91, 2313209), (353, 596323), (2471, 85189), (4589, 45871), (6553, 32123)]