25781639

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2713}}^1$

素因数の和:2786

約数の個数: 16

約数和(自身を含む): 30092832

約数和(自身を除く): 4311193

約数列:

[1, 13, 17, 43, 221, 559, 731, 2713, 9503, 35269, 46121, 116659, 599573, 1516567, 1983203, 25781639]

約数ペア:

[(1, 25781639), (13, 1983203), (17, 1516567), (43, 599573), (221, 116659), (559, 46121), (731, 35269), (2713, 9503)]