3981328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19141}}^1$

素因数の和:19162

約数の個数: 20

約数和(自身を含む): 8307628

約数和(自身を除く): 4326300

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 19141, 38282, 76564, 153128, 248833, 306256, 497666, 995332, 1990664, 3981328]

約数ペア:

[(1, 3981328), (2, 1990664), (4, 995332), (8, 497666), (13, 306256), (16, 248833), (26, 153128), (52, 76564), (104, 38282), (208, 19141)]