65760989

素因数分解:

$7^4\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:538

約数の個数: 20

約数和(自身を含む): 78147900

約数和(自身を除く): 12386911

約数列:

[1, 7, 49, 61, 343, 427, 449, 2401, 2989, 3143, 20923, 22001, 27389, 146461, 154007, 191723, 1078049, 1342061, 9394427, 65760989]

約数ペア:

[(1, 65760989), (7, 9394427), (49, 1342061), (61, 1078049), (343, 191723), (427, 154007), (449, 146461), (2401, 27389), (2989, 22001), (3143, 20923)]