1980896687

素因数分解:

$7^3\times {\mathrm{11}}^3\times {\mathrm{4339}}^1$

素因数の和:4393

約数の個数: 32

約数和(自身を含む): 2541504000

約数和(自身を除く): 560607313

約数列:

[1, 7, 11, 49, 77, 121, 343, 539, 847, 1331, 3773, 4339, 5929, 9317, 30373, 41503, 47729, 65219, 212611, 334103, 456533, 525019, 1488277, 2338721, 3675133, 5775209, 16371047, 25725931, 40426463, 180081517, 282985241, 1980896687]

約数ペア:

[(1, 1980896687), (7, 282985241), (11, 180081517), (49, 40426463), (77, 25725931), (121, 16371047), (343, 5775209), (539, 3675133), (847, 2338721), (1331, 1488277), (3773, 525019), (4339, 456533), (5929, 334103), (9317, 212611), (30373, 65219), (41503, 47729)]