81428501

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{25793}}^1$

素因数の和:25852

約数の個数: 16

約数和(自身を含む): 104001408

約数和(自身を除く): 22572907

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 25793, 180551, 283723, 1057513, 1986061, 7402591, 11632643, 81428501]

約数ペア:

[(1, 81428501), (7, 11632643), (11, 7402591), (41, 1986061), (77, 1057513), (287, 283723), (451, 180551), (3157, 25793)]