28121592961

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{51679}}^1$

素因数の和:51925

約数の個数: 32

約数和(自身を含む): 36197498880

約数和(自身を除く): 8075905919

約数列:

[1, 7, 11, 37, 77, 191, 259, 407, 1337, 2101, 2849, 7067, 14707, 49469, 51679, 77737, 361753, 544159, 568469, 1912123, 3979283, 9870689, 13384861, 21033353, 69094823, 108577579, 147233471, 365215493, 760043053, 2556508451, 4017370423, 28121592961]

約数ペア:

[(1, 28121592961), (7, 4017370423), (11, 2556508451), (37, 760043053), (77, 365215493), (191, 147233471), (259, 108577579), (407, 69094823), (1337, 21033353), (2101, 13384861), (2849, 9870689), (7067, 3979283), (14707, 1912123), (49469, 568469), (51679, 544159), (77737, 361753)]