81955874

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:160

約数の個数: 96

約数和(自身を含む): 172025856

約数和(自身を除く): 90069982

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 47, 67, 77, 91, 94, 134, 143, 154, 169, 182, 286, 329, 338, 469, 517, 611, 658, 737, 871, 938, 1001, 1034, 1183, 1222, 1474, 1742, 1859, 2002, 2366, 3149, 3619, 3718, 4277, 5159, 6097, 6298, 6721, 7238, 7943, 8554, 9581, 10318, 11323, 12194, 13013, 13442, 15886, 19162, 22043, 22646, 26026, 34639, 40937, 44086, 47047, 55601, 67067, 69278, 79261, 81874, 87373, 94094, 111202, 124553, 134134, 158522, 174746, 242473, 249106, 286559, 450307, 484946, 532181, 573118, 611611, 871871, 900614, 1064362, 1223222, 1743742, 3152149, 3725267, 5853991, 6304298, 7450534, 11707982, 40977937, 81955874]

約数ペア:

[(1, 81955874), (2, 40977937), (7, 11707982), (11, 7450534), (13, 6304298), (14, 5853991), (22, 3725267), (26, 3152149), (47, 1743742), (67, 1223222), (77, 1064362), (91, 900614), (94, 871871), (134, 611611), (143, 573118), (154, 532181), (169, 484946), (182, 450307), (286, 286559), (329, 249106), (338, 242473), (469, 174746), (517, 158522), (611, 134134), (658, 124553), (737, 111202), (871, 94094), (938, 87373), (1001, 81874), (1034, 79261), (1183, 69278), (1222, 67067), (1474, 55601), (1742, 47047), (1859, 44086), (2002, 40937), (2366, 34639), (3149, 26026), (3619, 22646), (3718, 22043), (4277, 19162), (5159, 15886), (6097, 13442), (6298, 13013), (6721, 12194), (7238, 11323), (7943, 10318), (8554, 9581)]