16890804925

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{1051}}^1$

素因数の和:1414

約数の個数: 48

約数和(自身を含む): 21977879040

約数和(自身を除く): 5087074115

約数列:

[1, 5, 25, 31, 89, 155, 233, 445, 775, 1051, 1165, 2225, 2759, 5255, 5825, 7223, 13795, 20737, 26275, 32581, 36115, 68975, 93539, 103685, 162905, 180575, 244883, 467695, 518425, 642847, 814525, 1224415, 2338475, 2899709, 3214235, 6122075, 7591373, 14498545, 16071175, 21794587, 37956865, 72492725, 108972935, 189784325, 544864675, 675632197, 3378160985, 16890804925]

約数ペア:

[(1, 16890804925), (5, 3378160985), (25, 675632197), (31, 544864675), (89, 189784325), (155, 108972935), (233, 72492725), (445, 37956865), (775, 21794587), (1051, 16071175), (1165, 14498545), (2225, 7591373), (2759, 6122075), (5255, 3214235), (5825, 2899709), (7223, 2338475), (13795, 1224415), (20737, 814525), (26275, 642847), (32581, 518425), (36115, 467695), (68975, 244883), (93539, 180575), (103685, 162905)]