199985185

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{34871}}^1$

素因数の和:34944

約数の個数: 16

約数和(自身を含む): 254426112

約数和(自身を除く): 54440927

約数列:

[1, 5, 31, 37, 155, 185, 1147, 5735, 34871, 174355, 1081001, 1290227, 5405005, 6451135, 39997037, 199985185]

約数ペア:

[(1, 199985185), (5, 39997037), (31, 6451135), (37, 5405005), (155, 1290227), (185, 1081001), (1147, 174355), (5735, 34871)]