28562225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 37616640

約数和(自身を除く): 9054415

約数列:

[1, 5, 19, 25, 95, 157, 383, 475, 785, 1915, 2983, 3925, 7277, 9575, 14915, 36385, 60131, 74575, 181925, 300655, 1142489, 1503275, 5712445, 28562225]

約数ペア:

[(1, 28562225), (5, 5712445), (19, 1503275), (25, 1142489), (95, 300655), (157, 181925), (383, 74575), (475, 60131), (785, 36385), (1915, 14915), (2983, 9575), (3925, 7277)]