81858426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:587

約数の個数: 64

約数和(自身を含む): 186181632

約数和(自身を除く): 104323206

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 103, 138, 206, 299, 309, 443, 598, 618, 886, 897, 1329, 1339, 1794, 2369, 2658, 2678, 4017, 4738, 5759, 7107, 8034, 10189, 11518, 14214, 17277, 20378, 30567, 30797, 34554, 45629, 61134, 61594, 91258, 92391, 132457, 136887, 184782, 264914, 273774, 397371, 593177, 794742, 1049467, 1186354, 1779531, 2098934, 3148401, 3559062, 6296802, 13643071, 27286142, 40929213, 81858426]

約数ペア:

[(1, 81858426), (2, 40929213), (3, 27286142), (6, 13643071), (13, 6296802), (23, 3559062), (26, 3148401), (39, 2098934), (46, 1779531), (69, 1186354), (78, 1049467), (103, 794742), (138, 593177), (206, 397371), (299, 273774), (309, 264914), (443, 184782), (598, 136887), (618, 132457), (886, 92391), (897, 91258), (1329, 61594), (1339, 61134), (1794, 45629), (2369, 34554), (2658, 30797), (2678, 30567), (4017, 20378), (4738, 17277), (5759, 14214), (7107, 11518), (8034, 10189)]