15991235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1567}}^1$

素因数の和:1742

約数の個数: 16

約数和(自身を含む): 20810496

約数和(自身を除く): 4819261

約数列:

[1, 5, 13, 65, 157, 785, 1567, 2041, 7835, 10205, 20371, 101855, 246019, 1230095, 3198247, 15991235]

約数ペア:

[(1, 15991235), (5, 3198247), (13, 1230095), (65, 246019), (157, 101855), (785, 20371), (1567, 10205), (2041, 7835)]