12498005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4091}}^1$

素因数の和:4156

約数の個数: 16

約数和(自身を含む): 16498944

約数和(自身を除く): 4000939

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 4091, 20455, 53183, 192277, 265915, 961385, 2499601, 12498005]

約数ペア:

[(1, 12498005), (5, 2499601), (13, 961385), (47, 265915), (65, 192277), (235, 53183), (611, 20455), (3055, 4091)]