208212925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{4519}}^1$

素因数の和:4645

約数の個数: 24

約数和(自身を含む): 274635200

約数和(自身を除く): 66422275

約数列:

[1, 5, 19, 25, 95, 97, 475, 485, 1843, 2425, 4519, 9215, 22595, 46075, 85861, 112975, 429305, 438343, 2146525, 2191715, 8328517, 10958575, 41642585, 208212925]

約数ペア:

[(1, 208212925), (5, 41642585), (19, 10958575), (25, 8328517), (95, 2191715), (97, 2146525), (475, 438343), (485, 429305), (1843, 112975), (2425, 85861), (4519, 46075), (9215, 22595)]