22511425

素因数分解:

$5^2\times {\mathrm{31}}^2\times {\mathrm{937}}^1$

素因数の和:1009

約数の個数: 18

約数和(自身を含む): 28874454

約数和(自身を除く): 6363029

約数列:

[1, 5, 25, 31, 155, 775, 937, 961, 4685, 4805, 23425, 24025, 29047, 145235, 726175, 900457, 4502285, 22511425]

約数ペア:

[(1, 22511425), (5, 4502285), (25, 900457), (31, 726175), (155, 145235), (775, 29047), (937, 24025), (961, 23425), (4685, 4805)]