261078714

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:135

約数の個数: 144

約数和(自身を含む): 667963296

約数和(自身を除く): 406884582

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 43, 54, 62, 78, 81, 86, 93, 117, 129, 162, 186, 234, 243, 258, 279, 351, 387, 403, 486, 558, 559, 702, 774, 806, 837, 961, 1053, 1118, 1161, 1209, 1333, 1674, 1677, 1922, 2106, 2322, 2418, 2511, 2666, 2883, 3159, 3354, 3483, 3627, 3999, 5022, 5031, 5766, 6318, 6966, 7254, 7533, 7998, 8649, 10062, 10449, 10881, 11997, 12493, 15066, 15093, 17298, 17329, 20898, 21762, 23994, 24986, 25947, 30186, 32643, 34658, 35991, 37479, 41323, 45279, 51894, 51987, 65286, 71982, 74958, 77841, 82646, 90558, 97929, 103974, 107973, 112437, 123969, 135837, 155682, 155961, 195858, 215946, 224874, 233523, 247938, 271674, 311922, 323919, 337311, 371907, 467046, 467883, 537199, 647838, 674622, 743814, 935766, 1011933, 1074398, 1115721, 1403649, 1611597, 2023866, 2231442, 2807298, 3035799, 3223194, 3347163, 4210947, 4834791, 6071598, 6694326, 8421894, 9669582, 10041489, 14504373, 20082978, 29008746, 43513119, 87026238, 130539357, 261078714]

約数ペア:

[(1, 261078714), (2, 130539357), (3, 87026238), (6, 43513119), (9, 29008746), (13, 20082978), (18, 14504373), (26, 10041489), (27, 9669582), (31, 8421894), (39, 6694326), (43, 6071598), (54, 4834791), (62, 4210947), (78, 3347163), (81, 3223194), (86, 3035799), (93, 2807298), (117, 2231442), (129, 2023866), (162, 1611597), (186, 1403649), (234, 1115721), (243, 1074398), (258, 1011933), (279, 935766), (351, 743814), (387, 674622), (403, 647838), (486, 537199), (558, 467883), (559, 467046), (702, 371907), (774, 337311), (806, 323919), (837, 311922), (961, 271674), (1053, 247938), (1118, 233523), (1161, 224874), (1209, 215946), (1333, 195858), (1674, 155961), (1677, 155682), (1922, 135837), (2106, 123969), (2322, 112437), (2418, 107973), (2511, 103974), (2666, 97929), (2883, 90558), (3159, 82646), (3354, 77841), (3483, 74958), (3627, 71982), (3999, 65286), (5022, 51987), (5031, 51894), (5766, 45279), (6318, 41323), (6966, 37479), (7254, 35991), (7533, 34658), (7998, 32643), (8649, 30186), (10062, 25947), (10449, 24986), (10881, 23994), (11997, 21762), (12493, 20898), (15066, 17329), (15093, 17298)]