123770178

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{20047}}^1$

素因数の和:20076

約数の個数: 48

約数和(自身を含む): 312748800

約数和(自身を除く): 188978622

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 6174, 20047, 40094, 60141, 120282, 140329, 180423, 280658, 360846, 420987, 841974, 982303, 1262961, 1964606, 2525922, 2946909, 5893818, 6876121, 8840727, 13752242, 17681454, 20628363, 41256726, 61885089, 123770178]

約数ペア:

[(1, 123770178), (2, 61885089), (3, 41256726), (6, 20628363), (7, 17681454), (9, 13752242), (14, 8840727), (18, 6876121), (21, 5893818), (42, 2946909), (49, 2525922), (63, 1964606), (98, 1262961), (126, 982303), (147, 841974), (294, 420987), (343, 360846), (441, 280658), (686, 180423), (882, 140329), (1029, 120282), (2058, 60141), (3087, 40094), (6174, 20047)]