1780496935

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{86369}}^1$

素因数の和:86431

約数の個数: 32

約数和(自身を含む): 2653286400

約数和(自身を除く): 872789465

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 665, 1085, 2945, 4123, 20615, 86369, 431845, 604583, 1641011, 2677439, 3022915, 8205055, 11487077, 13387195, 18742073, 50871341, 57435385, 93710365, 254356705, 356099387, 1780496935]

約数ペア:

[(1, 1780496935), (5, 356099387), (7, 254356705), (19, 93710365), (31, 57435385), (35, 50871341), (95, 18742073), (133, 13387195), (155, 11487077), (217, 8205055), (589, 3022915), (665, 2677439), (1085, 1641011), (2945, 604583), (4123, 431845), (20615, 86369)]