13678889

素因数分解:

$7^2\times {\mathrm{131}}^1\times {\mathrm{2131}}^1$

素因数の和:2276

約数の個数: 12

約数和(自身を含む): 16041168

約数和(自身を除く): 2362279

約数列:

[1, 7, 49, 131, 917, 2131, 6419, 14917, 104419, 279161, 1954127, 13678889]

約数ペア:

[(1, 13678889), (7, 1954127), (49, 279161), (131, 104419), (917, 14917), (2131, 6419)]