13198493

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 17138304

約数和(自身を除く): 3939811

約数列:

[1, 7, 11, 47, 49, 77, 329, 517, 521, 539, 2303, 3619, 3647, 5731, 24487, 25333, 25529, 40117, 171409, 269357, 280819, 1199863, 1885499, 13198493]

約数ペア:

[(1, 13198493), (7, 1885499), (11, 1199863), (47, 280819), (49, 269357), (77, 171409), (329, 40117), (517, 25529), (521, 25333), (539, 24487), (2303, 5731), (3619, 3647)]