257047242

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1297}}^1$

素因数の和:1415

約数の個数: 64

約数和(自身を含む): 571950720

約数和(自身を除く): 314903478

約数列:

[1, 2, 3, 6, 17, 29, 34, 51, 58, 67, 87, 102, 134, 174, 201, 402, 493, 986, 1139, 1297, 1479, 1943, 2278, 2594, 2958, 3417, 3886, 3891, 5829, 6834, 7782, 11658, 22049, 33031, 37613, 44098, 66062, 66147, 75226, 86899, 99093, 112839, 132294, 173798, 198186, 225678, 260697, 521394, 639421, 1278842, 1477283, 1918263, 2520071, 2954566, 3836526, 4431849, 5040142, 7560213, 8863698, 15120426, 42841207, 85682414, 128523621, 257047242]

約数ペア:

[(1, 257047242), (2, 128523621), (3, 85682414), (6, 42841207), (17, 15120426), (29, 8863698), (34, 7560213), (51, 5040142), (58, 4431849), (67, 3836526), (87, 2954566), (102, 2520071), (134, 1918263), (174, 1477283), (201, 1278842), (402, 639421), (493, 521394), (986, 260697), (1139, 225678), (1297, 198186), (1479, 173798), (1943, 132294), (2278, 112839), (2594, 99093), (2958, 86899), (3417, 75226), (3886, 66147), (3891, 66062), (5829, 44098), (6834, 37613), (7782, 33031), (11658, 22049)]