51452219

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 69709824

約数和(自身を除く): 18257605

約数列:

[1, 7, 13, 23, 31, 61, 91, 161, 169, 217, 299, 403, 427, 713, 793, 1183, 1403, 1891, 2093, 2821, 3887, 4991, 5239, 5551, 9269, 9821, 10309, 13237, 18239, 24583, 27209, 36673, 43493, 64883, 72163, 120497, 127673, 172081, 237107, 304451, 319579, 565409, 843479, 1659749, 2237053, 3957863, 7350317, 51452219]

約数ペア:

[(1, 51452219), (7, 7350317), (13, 3957863), (23, 2237053), (31, 1659749), (61, 843479), (91, 565409), (161, 319579), (169, 304451), (217, 237107), (299, 172081), (403, 127673), (427, 120497), (713, 72163), (793, 64883), (1183, 43493), (1403, 36673), (1891, 27209), (2093, 24583), (2821, 18239), (3887, 13237), (4991, 10309), (5239, 9821), (5551, 9269)]