209715352

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{340447}}^1$

素因数の和:340471

約数の個数: 32

約数和(自身を含む): 490245120

約数和(自身を除く): 280529768

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 340447, 680894, 1361788, 2383129, 2723576, 3744917, 4766258, 7489834, 9532516, 14979668, 19065032, 26214419, 29959336, 52428838, 104857676, 209715352]

約数ペア:

[(1, 209715352), (2, 104857676), (4, 52428838), (7, 29959336), (8, 26214419), (11, 19065032), (14, 14979668), (22, 9532516), (28, 7489834), (44, 4766258), (56, 3744917), (77, 2723576), (88, 2383129), (154, 1361788), (308, 680894), (616, 340447)]