12889019

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 15259104

約数和(自身を除く): 2370085

約数列:

[1, 11, 13, 143, 173, 521, 1903, 2249, 5731, 6773, 24739, 74503, 90133, 991463, 1171729, 12889019]

約数ペア:

[(1, 12889019), (11, 1171729), (13, 991463), (143, 90133), (173, 74503), (521, 24739), (1903, 6773), (2249, 5731)]