1287498368

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:450

約数の個数: 128

約数和(自身を含む): 2936539200

約数和(自身を除く): 1649040832

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 193, 208, 211, 247, 304, 386, 416, 422, 494, 608, 772, 832, 844, 988, 1216, 1544, 1664, 1688, 1976, 2432, 2509, 2743, 3088, 3376, 3667, 3952, 4009, 5018, 5486, 6176, 6752, 7334, 7904, 8018, 10036, 10972, 12352, 13504, 14668, 15808, 16036, 20072, 21944, 24704, 27008, 29336, 31616, 32072, 40144, 40723, 43888, 47671, 52117, 58672, 64144, 80288, 81446, 87776, 95342, 104234, 117344, 128288, 160576, 162892, 175552, 190684, 208468, 234688, 256576, 321152, 325784, 351104, 381368, 416936, 469376, 513152, 529399, 651568, 762736, 773737, 833872, 1058798, 1303136, 1525472, 1547474, 1667744, 2117596, 2606272, 3050944, 3094948, 3335488, 4235192, 5212544, 6101888, 6189896, 6670976, 8470384, 10058581, 12379792, 16940768, 20117162, 24759584, 33881536, 40234324, 49519168, 67763072, 80468648, 99038336, 160937296, 321874592, 643749184, 1287498368]

約数ペア:

[(1, 1287498368), (2, 643749184), (4, 321874592), (8, 160937296), (13, 99038336), (16, 80468648), (19, 67763072), (26, 49519168), (32, 40234324), (38, 33881536), (52, 24759584), (64, 20117162), (76, 16940768), (104, 12379792), (128, 10058581), (152, 8470384), (193, 6670976), (208, 6189896), (211, 6101888), (247, 5212544), (304, 4235192), (386, 3335488), (416, 3094948), (422, 3050944), (494, 2606272), (608, 2117596), (772, 1667744), (832, 1547474), (844, 1525472), (988, 1303136), (1216, 1058798), (1544, 833872), (1664, 773737), (1688, 762736), (1976, 651568), (2432, 529399), (2509, 513152), (2743, 469376), (3088, 416936), (3376, 381368), (3667, 351104), (3952, 325784), (4009, 321152), (5018, 256576), (5486, 234688), (6176, 208468), (6752, 190684), (7334, 175552), (7904, 162892), (8018, 160576), (10036, 128288), (10972, 117344), (12352, 104234), (13504, 95342), (14668, 87776), (15808, 81446), (16036, 80288), (20072, 64144), (21944, 58672), (24704, 52117), (27008, 47671), (29336, 43888), (31616, 40723), (32072, 40144)]