81409286

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 148488192

約数和(自身を除く): 67078906

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 127, 211, 217, 254, 422, 434, 889, 1477, 1519, 1778, 2954, 3038, 3937, 6223, 6541, 7874, 10339, 12446, 13082, 20678, 26797, 27559, 45787, 53594, 55118, 91574, 187579, 192913, 320509, 375158, 385826, 641018, 830707, 1313053, 1661414, 2626106, 5814949, 11629898, 40704643, 81409286]

約数ペア:

[(1, 81409286), (2, 40704643), (7, 11629898), (14, 5814949), (31, 2626106), (49, 1661414), (62, 1313053), (98, 830707), (127, 641018), (211, 385826), (217, 375158), (254, 320509), (422, 192913), (434, 187579), (889, 91574), (1477, 55118), (1519, 53594), (1778, 45787), (2954, 27559), (3038, 26797), (3937, 20678), (6223, 13082), (6541, 12446), (7874, 10339)]