28564315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 39412800

約数和(自身を除く): 10848485

約数列:

[1, 5, 13, 19, 65, 95, 101, 229, 247, 505, 1145, 1235, 1313, 1919, 2977, 4351, 6565, 9595, 14885, 21755, 23129, 24947, 56563, 115645, 124735, 282815, 300677, 439451, 1503385, 2197255, 5712863, 28564315]

約数ペア:

[(1, 28564315), (5, 5712863), (13, 2197255), (19, 1503385), (65, 439451), (95, 300677), (101, 282815), (229, 124735), (247, 115645), (505, 56563), (1145, 24947), (1235, 23129), (1313, 21755), (1919, 14885), (2977, 9595), (4351, 6565)]