49999621

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 63365120

約数和(自身を除く): 13365499

約数列:

[1, 7, 19, 31, 67, 133, 181, 217, 469, 589, 1267, 1273, 2077, 3439, 4123, 5611, 8911, 12127, 14539, 24073, 39277, 39463, 84889, 106609, 230413, 276241, 375937, 746263, 1612891, 2631559, 7142803, 49999621]

約数ペア:

[(1, 49999621), (7, 7142803), (19, 2631559), (31, 1612891), (67, 746263), (133, 375937), (181, 276241), (217, 230413), (469, 106609), (589, 84889), (1267, 39463), (1273, 39277), (2077, 24073), (3439, 14539), (4123, 12127), (5611, 8911)]