257431116

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{131611}}^1$

素因数の和:131781

約数の個数: 24

約数和(自身を含む): 604362304

約数和(自身を除く): 346931188

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 131611, 263222, 394833, 526444, 789666, 1579332, 21452593, 42905186, 64357779, 85810372, 128715558, 257431116]

約数ペア:

[(1, 257431116), (2, 128715558), (3, 85810372), (4, 64357779), (6, 42905186), (12, 21452593), (163, 1579332), (326, 789666), (489, 526444), (652, 394833), (978, 263222), (1956, 131611)]