211789025

素因数分解:

$5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2083}}^1$

素因数の和:2190

約数の個数: 36

約数和(自身を含む): 309323952

約数和(自身を除く): 97534927

約数列:

[1, 5, 7, 25, 35, 49, 83, 175, 245, 415, 581, 1225, 2075, 2083, 2905, 4067, 10415, 14525, 14581, 20335, 52075, 72905, 101675, 102067, 172889, 364525, 510335, 864445, 1210223, 2551675, 4322225, 6051115, 8471561, 30255575, 42357805, 211789025]

約数ペア:

[(1, 211789025), (5, 42357805), (7, 30255575), (25, 8471561), (35, 6051115), (49, 4322225), (83, 2551675), (175, 1210223), (245, 864445), (415, 510335), (581, 364525), (1225, 172889), (2075, 102067), (2083, 101675), (2905, 72905), (4067, 52075), (10415, 20335), (14525, 14581)]