210825838

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 331024320

約数和(自身を除く): 120198482

約数列:

[1, 2, 53, 71, 106, 109, 142, 218, 257, 514, 3763, 5777, 7526, 7739, 11554, 13621, 15478, 18247, 27242, 28013, 36494, 56026, 410167, 820334, 967091, 1484689, 1934182, 1988923, 2969378, 3977846, 105412919, 210825838]

約数ペア:

[(1, 210825838), (2, 105412919), (53, 3977846), (71, 2969378), (106, 1988923), (109, 1934182), (142, 1484689), (218, 967091), (257, 820334), (514, 410167), (3763, 56026), (5777, 36494), (7526, 28013), (7739, 27242), (11554, 18247), (13621, 15478)]