8457449

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 12410496

約数和(自身を除く): 3953047

約数列:

[1, 7, 11, 13, 17, 49, 71, 77, 91, 119, 143, 187, 221, 497, 539, 637, 781, 833, 923, 1001, 1207, 1309, 1547, 2431, 3479, 5467, 6461, 7007, 8449, 9163, 10153, 10829, 13277, 15691, 17017, 38269, 45227, 59143, 71071, 92939, 109837, 119119, 172601, 497497, 650573, 768859, 1208207, 8457449]

約数ペア:

[(1, 8457449), (7, 1208207), (11, 768859), (13, 650573), (17, 497497), (49, 172601), (71, 119119), (77, 109837), (91, 92939), (119, 71071), (143, 59143), (187, 45227), (221, 38269), (497, 17017), (539, 15691), (637, 13277), (781, 10829), (833, 10153), (923, 9163), (1001, 8449), (1207, 7007), (1309, 6461), (1547, 5467), (2431, 3479)]