256191385

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{3917}}^1$

素因数の和:4152

約数の個数: 16

約数和(自身を含む): 312938496

約数和(自身を除く): 56747111

約数列:

[1, 5, 103, 127, 515, 635, 3917, 13081, 19585, 65405, 403451, 497459, 2017255, 2487295, 51238277, 256191385]

約数ペア:

[(1, 256191385), (5, 51238277), (103, 2487295), (127, 2017255), (515, 497459), (635, 403451), (3917, 65405), (13081, 19585)]