208025015

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{18097}}^1$

素因数の和:18143

約数の個数: 24

約数和(自身を含む): 288844080

約数和(自身を除く): 80819065

約数列:

[1, 5, 11, 19, 55, 95, 121, 209, 605, 1045, 2299, 11495, 18097, 90485, 199067, 343843, 995335, 1719215, 2189737, 3782273, 10948685, 18911365, 41605003, 208025015]

約数ペア:

[(1, 208025015), (5, 41605003), (11, 18911365), (19, 10948685), (55, 3782273), (95, 2189737), (121, 1719215), (209, 995335), (605, 343843), (1045, 199067), (2299, 90485), (11495, 18097)]