261905016

素因数分解:

$2^3\times 3^1\times {\mathrm{211}}^1\times {\mathrm{51719}}^1$

素因数の和:51939

約数の個数: 32

約数和(自身を含む): 657878400

約数和(自身を除く): 395973384

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 211, 422, 633, 844, 1266, 1688, 2532, 5064, 51719, 103438, 155157, 206876, 310314, 413752, 620628, 1241256, 10912709, 21825418, 32738127, 43650836, 65476254, 87301672, 130952508, 261905016]

約数ペア:

[(1, 261905016), (2, 130952508), (3, 87301672), (4, 65476254), (6, 43650836), (8, 32738127), (12, 21825418), (24, 10912709), (211, 1241256), (422, 620628), (633, 413752), (844, 310314), (1266, 206876), (1688, 155157), (2532, 103438), (5064, 51719)]