12881765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3359}}^1$

素因数の和:3436

約数の個数: 16

約数和(自身を含む): 16934400

約数和(自身を除く): 4052635

約数列:

[1, 5, 13, 59, 65, 295, 767, 3359, 3835, 16795, 43667, 198181, 218335, 990905, 2576353, 12881765]

約数ペア:

[(1, 12881765), (5, 2576353), (13, 990905), (59, 218335), (65, 198181), (295, 43667), (767, 16795), (3359, 3835)]