13409765

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 16661568

約数和(自身を除く): 3251803

約数列:

[1, 5, 43, 97, 215, 485, 643, 3215, 4171, 20855, 27649, 62371, 138245, 311855, 2681953, 13409765]

約数ペア:

[(1, 13409765), (5, 2681953), (43, 311855), (97, 138245), (215, 62371), (485, 27649), (643, 20855), (3215, 4171)]