28364525

素因数分解:

$5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1487}}^1$

素因数の和:1613

約数の個数: 24

約数和(自身を含む): 40592640

約数和(自身を除く): 12228115

約数列:

[1, 5, 7, 25, 35, 109, 175, 545, 763, 1487, 2725, 3815, 7435, 10409, 19075, 37175, 52045, 162083, 260225, 810415, 1134581, 4052075, 5672905, 28364525]

約数ペア:

[(1, 28364525), (5, 5672905), (7, 4052075), (25, 1134581), (35, 810415), (109, 260225), (175, 162083), (545, 52045), (763, 37175), (1487, 19075), (2725, 10409), (3815, 7435)]