405655216

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{383}}^1\times {\mathrm{1249}}^1$

素因数の和:1693

約数の個数: 40

約数和(自身を含む): 803520000

約数和(自身を除く): 397864784

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 383, 424, 766, 848, 1249, 1532, 2498, 3064, 4996, 6128, 9992, 19984, 20299, 40598, 66197, 81196, 132394, 162392, 264788, 324784, 478367, 529576, 956734, 1059152, 1913468, 3826936, 7653872, 25353451, 50706902, 101413804, 202827608, 405655216]

約数ペア:

[(1, 405655216), (2, 202827608), (4, 101413804), (8, 50706902), (16, 25353451), (53, 7653872), (106, 3826936), (212, 1913468), (383, 1059152), (424, 956734), (766, 529576), (848, 478367), (1249, 324784), (1532, 264788), (2498, 162392), (3064, 132394), (4996, 81196), (6128, 66197), (9992, 40598), (19984, 20299)]