638192412

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:142

約数の個数: 288

約数和(自身を含む): 2055271680

約数和(自身を除く): 1417079268

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 27, 31, 33, 36, 39, 43, 44, 52, 54, 62, 66, 78, 86, 93, 99, 108, 117, 124, 129, 132, 143, 156, 172, 186, 198, 234, 258, 279, 286, 297, 341, 351, 372, 387, 396, 403, 429, 468, 473, 516, 558, 559, 572, 594, 682, 702, 774, 806, 837, 858, 946, 961, 1023, 1116, 1118, 1161, 1188, 1209, 1287, 1333, 1364, 1404, 1419, 1548, 1612, 1674, 1677, 1716, 1892, 1922, 2046, 2236, 2322, 2418, 2574, 2666, 2838, 2883, 3069, 3348, 3354, 3627, 3844, 3861, 3999, 4092, 4257, 4433, 4644, 4836, 5031, 5148, 5332, 5676, 5766, 6138, 6149, 6708, 7254, 7722, 7998, 8514, 8649, 8866, 9207, 10062, 10571, 10881, 11532, 11997, 12276, 12298, 12493, 12771, 13299, 14508, 14663, 15093, 15444, 15996, 17028, 17298, 17329, 17732, 18414, 18447, 20124, 21142, 21762, 23994, 24596, 24986, 25542, 25947, 26598, 29326, 30186, 31713, 34596, 34658, 35991, 36828, 36894, 37479, 39897, 41323, 42284, 43524, 43989, 47988, 49972, 51084, 51894, 51987, 53196, 55341, 58652, 60372, 63426, 69316, 71982, 73788, 74958, 79794, 82646, 87978, 95139, 103788, 103974, 110682, 112437, 119691, 123969, 126852, 131967, 137423, 143964, 149916, 155961, 159588, 165292, 166023, 175956, 190278, 190619, 207948, 221364, 224874, 239382, 247938, 263934, 274846, 285417, 311922, 332046, 337311, 371907, 380556, 381238, 395901, 412269, 449748, 454553, 467883, 478764, 495876, 527868, 537199, 549692, 570834, 571857, 623844, 664092, 674622, 743814, 762476, 791802, 824538, 909106, 935766, 1074398, 1115721, 1141668, 1143714, 1236807, 1349244, 1363659, 1487628, 1583604, 1611597, 1649076, 1715571, 1818212, 1871532, 2148796, 2231442, 2287428, 2473614, 2727318, 3223194, 3431142, 3710421, 4090977, 4462884, 4834791, 4947228, 5146713, 5454636, 5909189, 6446388, 6862284, 7420842, 8181954, 9669582, 10293426, 11818378, 12272931, 14504373, 14841684, 16363908, 17727567, 19339164, 20586852, 23636756, 24545862, 29008746, 35455134, 49091724, 53182701, 58017492, 70910268, 106365402, 159548103, 212730804, 319096206, 638192412]

約数ペア:

[(1, 638192412), (2, 319096206), (3, 212730804), (4, 159548103), (6, 106365402), (9, 70910268), (11, 58017492), (12, 53182701), (13, 49091724), (18, 35455134), (22, 29008746), (26, 24545862), (27, 23636756), (31, 20586852), (33, 19339164), (36, 17727567), (39, 16363908), (43, 14841684), (44, 14504373), (52, 12272931), (54, 11818378), (62, 10293426), (66, 9669582), (78, 8181954), (86, 7420842), (93, 6862284), (99, 6446388), (108, 5909189), (117, 5454636), (124, 5146713), (129, 4947228), (132, 4834791), (143, 4462884), (156, 4090977), (172, 3710421), (186, 3431142), (198, 3223194), (234, 2727318), (258, 2473614), (279, 2287428), (286, 2231442), (297, 2148796), (341, 1871532), (351, 1818212), (372, 1715571), (387, 1649076), (396, 1611597), (403, 1583604), (429, 1487628), (468, 1363659), (473, 1349244), (516, 1236807), (558, 1143714), (559, 1141668), (572, 1115721), (594, 1074398), (682, 935766), (702, 909106), (774, 824538), (806, 791802), (837, 762476), (858, 743814), (946, 674622), (961, 664092), (1023, 623844), (1116, 571857), (1118, 570834), (1161, 549692), (1188, 537199), (1209, 527868), (1287, 495876), (1333, 478764), (1364, 467883), (1404, 454553), (1419, 449748), (1548, 412269), (1612, 395901), (1674, 381238), (1677, 380556), (1716, 371907), (1892, 337311), (1922, 332046), (2046, 311922), (2236, 285417), (2322, 274846), (2418, 263934), (2574, 247938), (2666, 239382), (2838, 224874), (2883, 221364), (3069, 207948), (3348, 190619), (3354, 190278), (3627, 175956), (3844, 166023), (3861, 165292), (3999, 159588), (4092, 155961), (4257, 149916), (4433, 143964), (4644, 137423), (4836, 131967), (5031, 126852), (5148, 123969), (5332, 119691), (5676, 112437), (5766, 110682), (6138, 103974), (6149, 103788), (6708, 95139), (7254, 87978), (7722, 82646), (7998, 79794), (8514, 74958), (8649, 73788), (8866, 71982), (9207, 69316), (10062, 63426), (10571, 60372), (10881, 58652), (11532, 55341), (11997, 53196), (12276, 51987), (12298, 51894), (12493, 51084), (12771, 49972), (13299, 47988), (14508, 43989), (14663, 43524), (15093, 42284), (15444, 41323), (15996, 39897), (17028, 37479), (17298, 36894), (17329, 36828), (17732, 35991), (18414, 34658), (18447, 34596), (20124, 31713), (21142, 30186), (21762, 29326), (23994, 26598), (24596, 25947), (24986, 25542)]