15999685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1879}}^1$

素因数の和:2028

約数の個数: 16

約数和(自身を含む): 20845440

約数和(自身を除く): 4845755

約数列:

[1, 5, 13, 65, 131, 655, 1703, 1879, 8515, 9395, 24427, 122135, 246149, 1230745, 3199937, 15999685]

約数ペア:

[(1, 15999685), (5, 3199937), (13, 1230745), (65, 246149), (131, 122135), (655, 24427), (1703, 9395), (1879, 8515)]