211929685

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{433}}^1\times {\mathrm{809}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 280528920

約数和(自身を除く): 68599235

約数列:

[1, 5, 11, 55, 121, 433, 605, 809, 2165, 4045, 4763, 8899, 23815, 44495, 52393, 97889, 261965, 350297, 489445, 1751485, 3853267, 19266335, 42385937, 211929685]

約数ペア:

[(1, 211929685), (5, 42385937), (11, 19266335), (55, 3853267), (121, 1751485), (433, 489445), (605, 350297), (809, 261965), (2165, 97889), (4045, 52393), (4763, 44495), (8899, 23815)]