211528025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{3919}}^1$

素因数の和:4073

約数の個数: 24

約数和(自身を含む): 279982080

約数和(自身を除く): 68454055

約数列:

[1, 5, 17, 25, 85, 127, 425, 635, 2159, 3175, 3919, 10795, 19595, 53975, 66623, 97975, 333115, 497713, 1665575, 2488565, 8461121, 12442825, 42305605, 211528025]

約数ペア:

[(1, 211528025), (5, 42305605), (17, 12442825), (25, 8461121), (85, 2488565), (127, 1665575), (425, 497713), (635, 333115), (2159, 97975), (3175, 66623), (3919, 53975), (10795, 19595)]