2815211

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:434

約数の個数: 16

約数和(自身を含む): 3452160

約数和(自身を除く): 636949

約数列:

[1, 7, 19, 61, 133, 347, 427, 1159, 2429, 6593, 8113, 21167, 46151, 148169, 402173, 2815211]

約数ペア:

[(1, 2815211), (7, 402173), (19, 148169), (61, 46151), (133, 21167), (347, 8113), (427, 6593), (1159, 2429)]