205057219

素因数分解:

${\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 223385280

約数和(自身を除く): 18328061

約数列:

[1, 31, 37, 73, 79, 961, 1147, 2263, 2449, 2701, 2923, 5767, 35557, 70153, 75919, 83731, 90613, 178777, 213379, 2595661, 2809003, 5542087, 6614749, 205057219]

約数ペア:

[(1, 205057219), (31, 6614749), (37, 5542087), (73, 2809003), (79, 2595661), (961, 213379), (1147, 178777), (2263, 90613), (2449, 83731), (2701, 75919), (2923, 70153), (5767, 35557)]