209901076

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{681497}}^1$

素因数の和:681519

約数の個数: 24

約数和(自身を含む): 457966656

約数和(自身を除く): 248065580

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 681497, 1362994, 2725988, 4770479, 7496467, 9540958, 14992934, 19081916, 29985868, 52475269, 104950538, 209901076]

約数ペア:

[(1, 209901076), (2, 104950538), (4, 52475269), (7, 29985868), (11, 19081916), (14, 14992934), (22, 9540958), (28, 7496467), (44, 4770479), (77, 2725988), (154, 1362994), (308, 681497)]