256439911

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{953}}^1\times {\mathrm{2957}}^1$

素因数の和:3930

約数の個数: 16

約数和(自身を含む): 316056384

約数和(自身を除く): 59616473

約数列:

[1, 7, 13, 91, 953, 2957, 6671, 12389, 20699, 38441, 86723, 269087, 2818021, 19726147, 36634273, 256439911]

約数ペア:

[(1, 256439911), (7, 36634273), (13, 19726147), (91, 2818021), (953, 269087), (2957, 86723), (6671, 38441), (12389, 20699)]