939421903

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 1122108416

約数和(自身を除く): 182686513

約数列:

[1, 7, 43, 103, 157, 193, 301, 721, 1099, 1351, 4429, 6751, 8299, 16171, 19879, 30301, 31003, 47257, 58093, 113197, 139153, 212107, 695353, 854797, 1302943, 3121003, 4867471, 5983579, 9120601, 21847021, 134203129, 939421903]

約数ペア:

[(1, 939421903), (7, 134203129), (43, 21847021), (103, 9120601), (157, 5983579), (193, 4867471), (301, 3121003), (721, 1302943), (1099, 854797), (1351, 695353), (4429, 212107), (6751, 139153), (8299, 113197), (16171, 58093), (19879, 47257), (30301, 31003)]