131511996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:285

約数の個数: 216

約数和(自身を含む): 441517440

約数和(自身を除く): 310005444

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 57, 63, 66, 76, 77, 84, 99, 114, 121, 126, 132, 133, 154, 171, 198, 209, 227, 228, 231, 242, 252, 266, 308, 342, 363, 396, 399, 418, 454, 462, 484, 532, 627, 681, 684, 693, 726, 798, 836, 847, 908, 924, 1089, 1197, 1254, 1362, 1386, 1452, 1463, 1589, 1596, 1694, 1881, 2043, 2178, 2299, 2394, 2497, 2508, 2541, 2724, 2772, 2926, 3178, 3388, 3762, 4086, 4313, 4356, 4389, 4598, 4767, 4788, 4994, 5082, 5852, 6356, 6897, 7491, 7524, 7623, 8172, 8626, 8778, 9196, 9534, 9988, 10164, 12939, 13167, 13794, 14301, 14982, 15246, 16093, 17252, 17479, 17556, 19068, 20691, 22473, 25878, 26334, 27467, 27588, 28602, 29964, 30191, 30492, 32186, 34958, 38817, 41382, 44946, 47443, 48279, 51756, 52437, 52668, 54934, 57204, 60382, 64372, 69916, 77634, 82401, 82764, 89892, 90573, 94886, 96558, 104874, 109868, 120764, 142329, 144837, 155268, 157311, 164802, 181146, 189772, 192269, 193116, 209748, 247203, 271719, 284658, 289674, 314622, 329604, 332101, 362292, 384538, 426987, 494406, 521873, 543438, 569316, 576807, 579348, 629244, 664202, 769076, 853974, 988812, 996303, 1043746, 1086876, 1153614, 1328404, 1565619, 1707948, 1730421, 1992606, 2087492, 2307228, 2988909, 3131238, 3460842, 3653111, 3985212, 4696857, 5977818, 6262476, 6921684, 7306222, 9393714, 10959333, 11955636, 14612444, 18787428, 21918666, 32877999, 43837332, 65755998, 131511996]

約数ペア:

[(1, 131511996), (2, 65755998), (3, 43837332), (4, 32877999), (6, 21918666), (7, 18787428), (9, 14612444), (11, 11955636), (12, 10959333), (14, 9393714), (18, 7306222), (19, 6921684), (21, 6262476), (22, 5977818), (28, 4696857), (33, 3985212), (36, 3653111), (38, 3460842), (42, 3131238), (44, 2988909), (57, 2307228), (63, 2087492), (66, 1992606), (76, 1730421), (77, 1707948), (84, 1565619), (99, 1328404), (114, 1153614), (121, 1086876), (126, 1043746), (132, 996303), (133, 988812), (154, 853974), (171, 769076), (198, 664202), (209, 629244), (227, 579348), (228, 576807), (231, 569316), (242, 543438), (252, 521873), (266, 494406), (308, 426987), (342, 384538), (363, 362292), (396, 332101), (399, 329604), (418, 314622), (454, 289674), (462, 284658), (484, 271719), (532, 247203), (627, 209748), (681, 193116), (684, 192269), (693, 189772), (726, 181146), (798, 164802), (836, 157311), (847, 155268), (908, 144837), (924, 142329), (1089, 120764), (1197, 109868), (1254, 104874), (1362, 96558), (1386, 94886), (1452, 90573), (1463, 89892), (1589, 82764), (1596, 82401), (1694, 77634), (1881, 69916), (2043, 64372), (2178, 60382), (2299, 57204), (2394, 54934), (2497, 52668), (2508, 52437), (2541, 51756), (2724, 48279), (2772, 47443), (2926, 44946), (3178, 41382), (3388, 38817), (3762, 34958), (4086, 32186), (4313, 30492), (4356, 30191), (4389, 29964), (4598, 28602), (4767, 27588), (4788, 27467), (4994, 26334), (5082, 25878), (5852, 22473), (6356, 20691), (6897, 19068), (7491, 17556), (7524, 17479), (7623, 17252), (8172, 16093), (8626, 15246), (8778, 14982), (9196, 14301), (9534, 13794), (9988, 13167), (10164, 12939)]