2419691329

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{20809}}^1$

素因数の和:20893

約数の個数: 18

約数和(自身を含む): 2748355890

約数和(自身を除く): 328664561

約数列:

[1, 11, 31, 121, 341, 961, 3751, 10571, 20809, 116281, 228899, 645079, 2517889, 7095869, 19997449, 78054559, 219971939, 2419691329]

約数ペア:

[(1, 2419691329), (11, 219971939), (31, 78054559), (121, 19997449), (341, 7095869), (961, 2517889), (3751, 645079), (10571, 228899), (20809, 116281)]