1279385965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 1877686272

約数和(自身を除く): 598300307

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 197, 293, 341, 403, 715, 985, 1465, 1705, 2015, 2167, 2561, 3223, 3809, 4433, 6107, 9083, 10835, 12805, 16115, 19045, 22165, 28171, 30535, 41899, 45415, 57721, 67177, 79391, 99913, 118079, 140855, 209495, 288605, 335885, 396955, 499565, 590395, 634931, 750373, 873301, 1298869, 1789351, 3174655, 3751865, 4366505, 6494345, 8254103, 8946755, 19682861, 23261563, 41270515, 98414305, 116307815, 255877193, 1279385965]

約数ペア:

[(1, 1279385965), (5, 255877193), (11, 116307815), (13, 98414305), (31, 41270515), (55, 23261563), (65, 19682861), (143, 8946755), (155, 8254103), (197, 6494345), (293, 4366505), (341, 3751865), (403, 3174655), (715, 1789351), (985, 1298869), (1465, 873301), (1705, 750373), (2015, 634931), (2167, 590395), (2561, 499565), (3223, 396955), (3809, 335885), (4433, 288605), (6107, 209495), (9083, 140855), (10835, 118079), (12805, 99913), (16115, 79391), (19045, 67177), (22165, 57721), (28171, 45415), (30535, 41899)]