126137543

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 157286400

約数和(自身を除く): 31148857

約数列:

[1, 7, 23, 31, 127, 161, 199, 217, 713, 889, 1393, 2921, 3937, 4577, 4991, 6169, 20447, 25273, 27559, 32039, 43183, 90551, 141887, 176911, 581279, 633857, 783463, 993209, 4068953, 5484241, 18019649, 126137543]

約数ペア:

[(1, 126137543), (7, 18019649), (23, 5484241), (31, 4068953), (127, 993209), (161, 783463), (199, 633857), (217, 581279), (713, 176911), (889, 141887), (1393, 90551), (2921, 43183), (3937, 32039), (4577, 27559), (4991, 25273), (6169, 20447)]