28681919

素因数分解:

$7^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 34983648

約数和(自身を除く): 6301729

約数列:

[1, 7, 37, 41, 73, 259, 287, 511, 1369, 1517, 2701, 2993, 9583, 10619, 18907, 20951, 56129, 99937, 110741, 392903, 699559, 775187, 4097417, 28681919]

約数ペア:

[(1, 28681919), (7, 4097417), (37, 775187), (41, 699559), (73, 392903), (259, 110741), (287, 99937), (511, 56129), (1369, 20951), (1517, 18907), (2701, 10619), (2993, 9583)]