309831004

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{2027}}^1$

素因数の和:2194

約数の個数: 48

約数和(自身を含む): 637797888

約数和(自身を除く): 327966884

約数列:

[1, 2, 4, 7, 14, 28, 53, 103, 106, 206, 212, 371, 412, 721, 742, 1442, 1484, 2027, 2884, 4054, 5459, 8108, 10918, 14189, 21836, 28378, 38213, 56756, 76426, 107431, 152852, 208781, 214862, 417562, 429724, 752017, 835124, 1461467, 1504034, 2922934, 3008068, 5845868, 11065393, 22130786, 44261572, 77457751, 154915502, 309831004]

約数ペア:

[(1, 309831004), (2, 154915502), (4, 77457751), (7, 44261572), (14, 22130786), (28, 11065393), (53, 5845868), (103, 3008068), (106, 2922934), (206, 1504034), (212, 1461467), (371, 835124), (412, 752017), (721, 429724), (742, 417562), (1442, 214862), (1484, 208781), (2027, 152852), (2884, 107431), (4054, 76426), (5459, 56756), (8108, 38213), (10918, 28378), (14189, 21836)]