80243891

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20507}}^1$

素因数の和:20570

約数の個数: 16

約数和(自身を含む): 101063424

約数和(自身を除く): 20819533

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 20507, 143549, 266591, 881801, 1866137, 6172607, 11463413, 80243891]

約数ペア:

[(1, 80243891), (7, 11463413), (13, 6172607), (43, 1866137), (91, 881801), (301, 266591), (559, 143549), (3913, 20507)]