12938315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6421}}^1$

素因数の和:6470

約数の個数: 16

約数和(自身を含む): 17262336

約数和(自身を除く): 4324021

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 6421, 32105, 83473, 199051, 417365, 995255, 2587663, 12938315]

約数ペア:

[(1, 12938315), (5, 2587663), (13, 995255), (31, 417365), (65, 199051), (155, 83473), (403, 32105), (2015, 6421)]