11978197

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 15463872

約数和(自身を除く): 3485675

約数列:

[1, 7, 11, 49, 71, 77, 313, 497, 539, 781, 2191, 3443, 3479, 5467, 15337, 22223, 24101, 38269, 155561, 168707, 244453, 1088927, 1711171, 11978197]

約数ペア:

[(1, 11978197), (7, 1711171), (11, 1088927), (49, 244453), (71, 168707), (77, 155561), (313, 38269), (497, 24101), (539, 22223), (781, 15337), (2191, 5467), (3443, 3479)]