159820895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 213126144

約数和(自身を除く): 53305249

約数列:

[1, 5, 13, 43, 65, 211, 215, 271, 559, 1055, 1355, 2743, 2795, 3523, 9073, 11653, 13715, 17615, 45365, 57181, 58265, 117949, 151489, 285905, 589745, 743353, 757445, 2458783, 3716765, 12293915, 31964179, 159820895]

約数ペア:

[(1, 159820895), (5, 31964179), (13, 12293915), (43, 3716765), (65, 2458783), (211, 757445), (215, 743353), (271, 589745), (559, 285905), (1055, 151489), (1355, 117949), (2743, 58265), (2795, 57181), (3523, 45365), (9073, 17615), (11653, 13715)]