28358275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1021}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 38778768

約数和(自身を除く): 10420493

約数列:

[1, 5, 11, 25, 55, 101, 275, 505, 1021, 1111, 2525, 5105, 5555, 11231, 25525, 27775, 56155, 103121, 280775, 515605, 1134331, 2578025, 5671655, 28358275]

約数ペア:

[(1, 28358275), (5, 5671655), (11, 2578025), (25, 1134331), (55, 515605), (101, 280775), (275, 103121), (505, 56155), (1021, 27775), (1111, 25525), (2525, 11231), (5105, 5555)]