7139405

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 11384064

約数和(自身を除く): 4244659

約数列:

[1, 5, 7, 13, 17, 35, 65, 71, 85, 91, 119, 169, 221, 355, 455, 497, 595, 845, 923, 1105, 1183, 1207, 1547, 2485, 2873, 4615, 5915, 6035, 6461, 7735, 8449, 11999, 14365, 15691, 20111, 32305, 42245, 59995, 78455, 83993, 100555, 109837, 203983, 419965, 549185, 1019915, 1427881, 7139405]

約数ペア:

[(1, 7139405), (5, 1427881), (7, 1019915), (13, 549185), (17, 419965), (35, 203983), (65, 109837), (71, 100555), (85, 83993), (91, 78455), (119, 59995), (169, 42245), (221, 32305), (355, 20111), (455, 15691), (497, 14365), (595, 11999), (845, 8449), (923, 7735), (1105, 6461), (1183, 6035), (1207, 5915), (1547, 4615), (2485, 2873)]