256596165

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 536979456

約数和(自身を除く): 280383291

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 107, 115, 161, 207, 315, 321, 331, 345, 483, 535, 749, 805, 963, 993, 1035, 1449, 1605, 1655, 2247, 2317, 2415, 2461, 2979, 3745, 4815, 4965, 6741, 6951, 7245, 7383, 7613, 11235, 11585, 12305, 14895, 17227, 20853, 22149, 22839, 33705, 34755, 35417, 36915, 38065, 51681, 53291, 68517, 86135, 104265, 106251, 110745, 114195, 155043, 159873, 177085, 247919, 258405, 266455, 318753, 342585, 479619, 531255, 743757, 775215, 799365, 814591, 1239595, 1593765, 2231271, 2398095, 2443773, 3718785, 4072955, 5702137, 7331319, 11156355, 12218865, 17106411, 28510685, 36656595, 51319233, 85532055, 256596165]

約数ペア:

[(1, 256596165), (3, 85532055), (5, 51319233), (7, 36656595), (9, 28510685), (15, 17106411), (21, 12218865), (23, 11156355), (35, 7331319), (45, 5702137), (63, 4072955), (69, 3718785), (105, 2443773), (107, 2398095), (115, 2231271), (161, 1593765), (207, 1239595), (315, 814591), (321, 799365), (331, 775215), (345, 743757), (483, 531255), (535, 479619), (749, 342585), (805, 318753), (963, 266455), (993, 258405), (1035, 247919), (1449, 177085), (1605, 159873), (1655, 155043), (2247, 114195), (2317, 110745), (2415, 106251), (2461, 104265), (2979, 86135), (3745, 68517), (4815, 53291), (4965, 51681), (6741, 38065), (6951, 36915), (7245, 35417), (7383, 34755), (7613, 33705), (11235, 22839), (11585, 22149), (12305, 20853), (14895, 17227)]