128997275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{673}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 189550368

約数和(自身を除く): 60553093

約数列:

[1, 5, 11, 17, 25, 41, 55, 85, 187, 205, 275, 425, 451, 673, 697, 935, 1025, 2255, 3365, 3485, 4675, 7403, 7667, 11275, 11441, 16825, 17425, 27593, 37015, 38335, 57205, 125851, 137965, 185075, 191675, 286025, 303523, 469081, 629255, 689825, 1517615, 2345405, 3146275, 5159891, 7588075, 11727025, 25799455, 128997275]

約数ペア:

[(1, 128997275), (5, 25799455), (11, 11727025), (17, 7588075), (25, 5159891), (41, 3146275), (55, 2345405), (85, 1517615), (187, 689825), (205, 629255), (275, 469081), (425, 303523), (451, 286025), (673, 191675), (697, 185075), (935, 137965), (1025, 125851), (2255, 57205), (3365, 38335), (3485, 37015), (4675, 27593), (7403, 17425), (7667, 16825), (11275, 11441)]