420190631

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{547}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 499651056

約数和(自身を除く): 79460425

約数列:

[1, 7, 49, 61, 257, 427, 547, 1799, 2989, 3829, 12593, 15677, 26803, 33367, 109739, 140579, 233569, 768173, 984053, 1634983, 6888371, 8575319, 60027233, 420190631]

約数ペア:

[(1, 420190631), (7, 60027233), (49, 8575319), (61, 6888371), (257, 1634983), (427, 984053), (547, 768173), (1799, 233569), (2989, 140579), (3829, 109739), (12593, 33367), (15677, 26803)]