381650638

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{739}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 609523200

約数和(自身を除く): 227872562

約数列:

[1, 2, 23, 46, 103, 109, 206, 218, 739, 1478, 2369, 2507, 4738, 5014, 11227, 16997, 22454, 33994, 76117, 80551, 152234, 161102, 258221, 516442, 1750691, 1852673, 3501382, 3705346, 8296753, 16593506, 190825319, 381650638]

約数ペア:

[(1, 381650638), (2, 190825319), (23, 16593506), (46, 8296753), (103, 3705346), (109, 3501382), (206, 1852673), (218, 1750691), (739, 516442), (1478, 258221), (2369, 161102), (2507, 152234), (4738, 80551), (5014, 76117), (11227, 33994), (16997, 22454)]