28589099

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 39398400

約数和(自身を除く): 10809301

約数列:

[1, 7, 11, 29, 31, 49, 59, 77, 203, 217, 319, 341, 413, 539, 649, 899, 1421, 1519, 1711, 1829, 2233, 2387, 2891, 4543, 6293, 9889, 11977, 12803, 15631, 16709, 18821, 20119, 31801, 44051, 53041, 69223, 83839, 89621, 131747, 140833, 371287, 484561, 583451, 922229, 985831, 2599009, 4084157, 28589099]

約数ペア:

[(1, 28589099), (7, 4084157), (11, 2599009), (29, 985831), (31, 922229), (49, 583451), (59, 484561), (77, 371287), (203, 140833), (217, 131747), (319, 89621), (341, 83839), (413, 69223), (539, 53041), (649, 44051), (899, 31801), (1421, 20119), (1519, 18821), (1711, 16709), (1829, 15631), (2233, 12803), (2387, 11977), (2891, 9889), (4543, 6293)]