261640753928

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{502699}}^1$

素因数の和:502854

約数の個数: 64

約数和(自身を含む): 537486840000

約数和(自身を除く): 275846086072

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 89, 136, 172, 178, 344, 356, 712, 731, 1462, 1513, 2924, 3026, 3827, 5848, 6052, 7654, 12104, 15308, 30616, 65059, 130118, 260236, 502699, 520472, 1005398, 2010796, 4021592, 8545883, 17091766, 21616057, 34183532, 43232114, 44740211, 68367064, 86464228, 89480422, 172928456, 178960844, 357921688, 367472969, 734945938, 760583587, 1469891876, 1521167174, 1923829073, 2939783752, 3042334348, 3847658146, 6084668696, 7695316292, 15390632584, 32705094241, 65410188482, 130820376964, 261640753928]

約数ペア:

[(1, 261640753928), (2, 130820376964), (4, 65410188482), (8, 32705094241), (17, 15390632584), (34, 7695316292), (43, 6084668696), (68, 3847658146), (86, 3042334348), (89, 2939783752), (136, 1923829073), (172, 1521167174), (178, 1469891876), (344, 760583587), (356, 734945938), (712, 367472969), (731, 357921688), (1462, 178960844), (1513, 172928456), (2924, 89480422), (3026, 86464228), (3827, 68367064), (5848, 44740211), (6052, 43232114), (7654, 34183532), (12104, 21616057), (15308, 17091766), (30616, 8545883), (65059, 4021592), (130118, 2010796), (260236, 1005398), (502699, 520472)]