2783649785

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{503}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 4138573824

約数和(自身を除く): 1354924039

約数列:

[1, 5, 7, 17, 35, 71, 85, 119, 131, 355, 497, 503, 595, 655, 917, 1207, 2227, 2485, 2515, 3521, 4585, 6035, 8449, 8551, 9301, 11135, 15589, 17605, 35713, 42245, 42755, 46505, 59857, 65107, 65893, 77945, 158117, 178565, 249991, 299285, 325535, 329465, 461251, 607121, 790585, 1106819, 1120181, 1249955, 2306255, 3035605, 4249847, 4678403, 5534095, 5600905, 7841267, 21249235, 23392015, 32748821, 39206335, 79532851, 163744105, 397664255, 556729957, 2783649785]

約数ペア:

[(1, 2783649785), (5, 556729957), (7, 397664255), (17, 163744105), (35, 79532851), (71, 39206335), (85, 32748821), (119, 23392015), (131, 21249235), (355, 7841267), (497, 5600905), (503, 5534095), (595, 4678403), (655, 4249847), (917, 3035605), (1207, 2306255), (2227, 1249955), (2485, 1120181), (2515, 1106819), (3521, 790585), (4585, 607121), (6035, 461251), (8449, 329465), (8551, 325535), (9301, 299285), (11135, 249991), (15589, 178565), (17605, 158117), (35713, 77945), (42245, 65893), (42755, 65107), (46505, 59857)]