16389541

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 19248768

約数和(自身を除く): 2859227

約数列:

[1, 7, 61, 131, 293, 427, 917, 2051, 7991, 17873, 38383, 55937, 125111, 268681, 2341363, 16389541]

約数ペア:

[(1, 16389541), (7, 2341363), (61, 268681), (131, 125111), (293, 55937), (427, 38383), (917, 17873), (2051, 7991)]