71142071

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 54

約数和(自身を含む): 99887256

約数和(自身を除く): 28745185

約数列:

[1, 7, 11, 13, 49, 71, 77, 91, 121, 143, 169, 497, 539, 637, 781, 847, 923, 1001, 1183, 1573, 1859, 3479, 5467, 5929, 6461, 7007, 8281, 8591, 10153, 11011, 11999, 13013, 20449, 38269, 45227, 60137, 71071, 77077, 83993, 91091, 111683, 131989, 143143, 420959, 497497, 587951, 781781, 923923, 1002001, 1451879, 5472467, 6467461, 10163153, 71142071]

約数ペア:

[(1, 71142071), (7, 10163153), (11, 6467461), (13, 5472467), (49, 1451879), (71, 1002001), (77, 923923), (91, 781781), (121, 587951), (143, 497497), (169, 420959), (497, 143143), (539, 131989), (637, 111683), (781, 91091), (847, 83993), (923, 77077), (1001, 71071), (1183, 60137), (1573, 45227), (1859, 38269), (3479, 20449), (5467, 13013), (5929, 11999), (6461, 11011), (7007, 10153), (8281, 8591)]