51019241

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:202

約数の個数: 36

約数和(自身を含む): 65965644

約数和(自身を除く): 14946403

約数列:

[1, 7, 13, 49, 61, 91, 101, 169, 427, 637, 707, 793, 1183, 1313, 2989, 4949, 5551, 6161, 8281, 9191, 10309, 17069, 38857, 43127, 64337, 72163, 80093, 119483, 301889, 505141, 560651, 836381, 1041209, 3924557, 7288463, 51019241]

約数ペア:

[(1, 51019241), (7, 7288463), (13, 3924557), (49, 1041209), (61, 836381), (91, 560651), (101, 505141), (169, 301889), (427, 119483), (637, 80093), (707, 72163), (793, 64337), (1183, 43127), (1313, 38857), (2989, 17069), (4949, 10309), (5551, 9191), (6161, 8281)]