208028023

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{18679}}^1$

素因数の和:18766

約数の個数: 16

約数和(自身を含む): 249863680

約数和(自身を除く): 41835657

約数列:

[1, 7, 37, 43, 259, 301, 1591, 11137, 18679, 130753, 691123, 803197, 4837861, 5622379, 29718289, 208028023]

約数ペア:

[(1, 208028023), (7, 29718289), (37, 5622379), (43, 4837861), (259, 803197), (301, 691123), (1591, 130753), (11137, 18679)]