201711978

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 523350720

約数和(自身を除く): 321638742

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 31, 39, 46, 54, 62, 69, 78, 93, 117, 138, 169, 186, 207, 234, 279, 299, 338, 351, 403, 414, 507, 558, 598, 621, 702, 713, 806, 837, 897, 961, 1014, 1209, 1242, 1426, 1521, 1674, 1794, 1922, 2139, 2418, 2691, 2883, 3042, 3627, 3887, 4278, 4563, 5239, 5382, 5766, 6417, 7254, 7774, 8073, 8649, 9126, 9269, 10478, 10881, 11661, 12493, 12834, 15717, 16146, 17298, 18538, 19251, 21762, 22103, 23322, 24986, 25947, 27807, 31434, 34983, 37479, 38502, 44206, 47151, 51894, 55614, 66309, 69966, 74958, 83421, 94302, 104949, 112437, 120497, 132618, 141453, 162409, 166842, 198927, 209898, 224874, 240994, 250263, 282906, 287339, 324818, 337311, 361491, 397854, 487227, 500526, 574678, 596781, 674622, 722982, 862017, 974454, 1084473, 1193562, 1461681, 1724034, 2168946, 2586051, 2923362, 3253419, 3735407, 4385043, 5172102, 6506838, 7470814, 7758153, 8770086, 11206221, 15516306, 22412442, 33618663, 67237326, 100855989, 201711978]

約数ペア:

[(1, 201711978), (2, 100855989), (3, 67237326), (6, 33618663), (9, 22412442), (13, 15516306), (18, 11206221), (23, 8770086), (26, 7758153), (27, 7470814), (31, 6506838), (39, 5172102), (46, 4385043), (54, 3735407), (62, 3253419), (69, 2923362), (78, 2586051), (93, 2168946), (117, 1724034), (138, 1461681), (169, 1193562), (186, 1084473), (207, 974454), (234, 862017), (279, 722982), (299, 674622), (338, 596781), (351, 574678), (403, 500526), (414, 487227), (507, 397854), (558, 361491), (598, 337311), (621, 324818), (702, 287339), (713, 282906), (806, 250263), (837, 240994), (897, 224874), (961, 209898), (1014, 198927), (1209, 166842), (1242, 162409), (1426, 141453), (1521, 132618), (1674, 120497), (1794, 112437), (1922, 104949), (2139, 94302), (2418, 83421), (2691, 74958), (2883, 69966), (3042, 66309), (3627, 55614), (3887, 51894), (4278, 47151), (4563, 44206), (5239, 38502), (5382, 37479), (5766, 34983), (6417, 31434), (7254, 27807), (7774, 25947), (8073, 24986), (8649, 23322), (9126, 22103), (9269, 21762), (10478, 19251), (10881, 18538), (11661, 17298), (12493, 16146), (12834, 15717)]