261640211

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{3769}}^1$

素因数の和:4034

約数の個数: 16

約数和(自身を含む): 306908160

約数和(自身を除く): 45267949

約数列:

[1, 7, 47, 211, 329, 1477, 3769, 9917, 26383, 69419, 177143, 795259, 1240001, 5566813, 37377173, 261640211]

約数ペア:

[(1, 261640211), (7, 37377173), (47, 5566813), (211, 1240001), (329, 795259), (1477, 177143), (3769, 69419), (9917, 26383)]