51512566

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 90155520

約数和(自身を除く): 38642954

約数列:

[1, 2, 7, 14, 103, 139, 206, 257, 278, 514, 721, 973, 1442, 1799, 1946, 3598, 14317, 26471, 28634, 35723, 52942, 71446, 100219, 185297, 200438, 250061, 370594, 500122, 3679469, 7358938, 25756283, 51512566]

約数ペア:

[(1, 51512566), (2, 25756283), (7, 7358938), (14, 3679469), (103, 500122), (139, 370594), (206, 250061), (257, 200438), (278, 185297), (514, 100219), (721, 71446), (973, 52942), (1442, 35723), (1799, 28634), (1946, 26471), (3598, 14317)]