2162556

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 6150144

約数和(自身を除く): 3987588

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 43, 44, 66, 86, 99, 127, 129, 132, 172, 198, 254, 258, 381, 387, 396, 473, 508, 516, 762, 774, 946, 1143, 1397, 1419, 1524, 1548, 1892, 2286, 2794, 2838, 4191, 4257, 4572, 5461, 5588, 5676, 8382, 8514, 10922, 12573, 16383, 16764, 17028, 21844, 25146, 32766, 49149, 50292, 60071, 65532, 98298, 120142, 180213, 196596, 240284, 360426, 540639, 720852, 1081278, 2162556]

約数ペア:

[(1, 2162556), (2, 1081278), (3, 720852), (4, 540639), (6, 360426), (9, 240284), (11, 196596), (12, 180213), (18, 120142), (22, 98298), (33, 65532), (36, 60071), (43, 50292), (44, 49149), (66, 32766), (86, 25146), (99, 21844), (127, 17028), (129, 16764), (132, 16383), (172, 12573), (198, 10922), (254, 8514), (258, 8382), (381, 5676), (387, 5588), (396, 5461), (473, 4572), (508, 4257), (516, 4191), (762, 2838), (774, 2794), (946, 2286), (1143, 1892), (1397, 1548), (1419, 1524)]