56778239

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{853}}^1$

素因数の和:1154

約数の個数: 16

約数和(自身を含む): 66980928

約数和(自身を除く): 10202689

約数列:

[1, 7, 37, 257, 259, 853, 1799, 5971, 9509, 31561, 66563, 219221, 220927, 1534547, 8111177, 56778239]

約数ペア:

[(1, 56778239), (7, 8111177), (37, 1534547), (257, 220927), (259, 219221), (853, 66563), (1799, 31561), (5971, 9509)]