251781504

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1627}}^1$

素因数の和:1688

約数の個数: 128

約数和(自身を含む): 743930880

約数和(自身を除く): 492149376

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 186, 192, 208, 248, 312, 372, 384, 403, 416, 496, 624, 744, 806, 832, 992, 1209, 1248, 1488, 1612, 1627, 1664, 1984, 2418, 2496, 2976, 3224, 3254, 3968, 4836, 4881, 4992, 5952, 6448, 6508, 9672, 9762, 11904, 12896, 13016, 19344, 19524, 21151, 25792, 26032, 38688, 39048, 42302, 50437, 51584, 52064, 63453, 77376, 78096, 84604, 100874, 104128, 126906, 151311, 154752, 156192, 169208, 201748, 208256, 253812, 302622, 312384, 338416, 403496, 507624, 605244, 624768, 655681, 676832, 806992, 1015248, 1210488, 1311362, 1353664, 1613984, 1967043, 2030496, 2420976, 2622724, 2707328, 3227968, 3934086, 4060992, 4841952, 5245448, 6455936, 7868172, 8121984, 9683904, 10490896, 15736344, 19367808, 20981792, 31472688, 41963584, 62945376, 83927168, 125890752, 251781504]

約数ペア:

[(1, 251781504), (2, 125890752), (3, 83927168), (4, 62945376), (6, 41963584), (8, 31472688), (12, 20981792), (13, 19367808), (16, 15736344), (24, 10490896), (26, 9683904), (31, 8121984), (32, 7868172), (39, 6455936), (48, 5245448), (52, 4841952), (62, 4060992), (64, 3934086), (78, 3227968), (93, 2707328), (96, 2622724), (104, 2420976), (124, 2030496), (128, 1967043), (156, 1613984), (186, 1353664), (192, 1311362), (208, 1210488), (248, 1015248), (312, 806992), (372, 676832), (384, 655681), (403, 624768), (416, 605244), (496, 507624), (624, 403496), (744, 338416), (806, 312384), (832, 302622), (992, 253812), (1209, 208256), (1248, 201748), (1488, 169208), (1612, 156192), (1627, 154752), (1664, 151311), (1984, 126906), (2418, 104128), (2496, 100874), (2976, 84604), (3224, 78096), (3254, 77376), (3968, 63453), (4836, 52064), (4881, 51584), (4992, 50437), (5952, 42302), (6448, 39048), (6508, 38688), (9672, 26032), (9762, 25792), (11904, 21151), (12896, 19524), (13016, 19344)]