214390175

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 270464832

約数和(自身を除く): 56074657

約数列:

[1, 5, 25, 101, 197, 431, 505, 985, 2155, 2525, 4925, 10775, 19897, 43531, 84907, 99485, 217655, 424535, 497425, 1088275, 2122675, 8575607, 42878035, 214390175]

約数ペア:

[(1, 214390175), (5, 42878035), (25, 8575607), (101, 2122675), (197, 1088275), (431, 497425), (505, 424535), (985, 217655), (2155, 99485), (2525, 84907), (4925, 43531), (10775, 19897)]