209216855

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{83}}^1\times {\mathrm{953}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 265891248

約数和(自身を除く): 56674393

約数列:

[1, 5, 23, 83, 115, 415, 529, 953, 1909, 2645, 4765, 9545, 21919, 43907, 79099, 109595, 219535, 395495, 504137, 1819277, 2520685, 9096385, 41843371, 209216855]

約数ペア:

[(1, 209216855), (5, 41843371), (23, 9096385), (83, 2520685), (115, 1819277), (415, 504137), (529, 395495), (953, 219535), (1909, 109595), (2645, 79099), (4765, 43907), (9545, 21919)]