51438005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 69237504

約数和(自身を除く): 17799499

約数列:

[1, 5, 17, 23, 83, 85, 115, 317, 391, 415, 1411, 1585, 1909, 1955, 5389, 7055, 7291, 9545, 26311, 26945, 32453, 36455, 123947, 131555, 162265, 447287, 605153, 619735, 2236435, 3025765, 10287601, 51438005]

約数ペア:

[(1, 51438005), (5, 10287601), (17, 3025765), (23, 2236435), (83, 619735), (85, 605153), (115, 447287), (317, 162265), (391, 131555), (415, 123947), (1411, 36455), (1585, 32453), (1909, 26945), (1955, 26311), (5389, 9545), (7055, 7291)]