12806365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17911}}^1$

素因数の和:17940

約数の個数: 16

約数和(自身を含む): 18055296

約数和(自身を除く): 5248931

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 17911, 89555, 197021, 232843, 985105, 1164215, 2561273, 12806365]

約数ペア:

[(1, 12806365), (5, 2561273), (11, 1164215), (13, 985105), (55, 232843), (65, 197021), (143, 89555), (715, 17911)]