408502888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{25117}}^1$

素因数の和:25249

約数の個数: 32

約数和(自身を含む): 813823200

約数和(自身を除く): 405320312

約数列:

[1, 2, 4, 8, 19, 38, 76, 107, 152, 214, 428, 856, 2033, 4066, 8132, 16264, 25117, 50234, 100468, 200936, 477223, 954446, 1908892, 2687519, 3817784, 5375038, 10750076, 21500152, 51062861, 102125722, 204251444, 408502888]

約数ペア:

[(1, 408502888), (2, 204251444), (4, 102125722), (8, 51062861), (19, 21500152), (38, 10750076), (76, 5375038), (107, 3817784), (152, 2687519), (214, 1908892), (428, 954446), (856, 477223), (2033, 200936), (4066, 100468), (8132, 50234), (16264, 25117)]