1988220416

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:484

約数の個数: 160

約数和(自身を含む): 4940517120

約数和(自身を除く): 2952296704

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 139, 182, 208, 224, 256, 278, 307, 364, 416, 448, 512, 556, 614, 728, 832, 896, 973, 1112, 1228, 1456, 1664, 1792, 1807, 1946, 2149, 2224, 2456, 2912, 3328, 3584, 3614, 3892, 3991, 4298, 4448, 4912, 5824, 6656, 7228, 7784, 7982, 8596, 8896, 9824, 11648, 12649, 14456, 15568, 15964, 17192, 17792, 19648, 23296, 25298, 27937, 28912, 31136, 31928, 34384, 35584, 39296, 42673, 46592, 50596, 55874, 57824, 62272, 63856, 68768, 71168, 78592, 85346, 101192, 111748, 115648, 124544, 127712, 137536, 157184, 170692, 202384, 223496, 231296, 249088, 255424, 275072, 298711, 341384, 404768, 446992, 462592, 498176, 510848, 550144, 554749, 597422, 682768, 809536, 893984, 925184, 1021696, 1100288, 1109498, 1194844, 1365536, 1619072, 1787968, 2043392, 2218996, 2389688, 2731072, 3238144, 3575936, 3883243, 4437992, 4779376, 5462144, 6476288, 7151872, 7766486, 8875984, 9558752, 10924288, 14303744, 15532972, 17751968, 19117504, 21848576, 31065944, 35503936, 38235008, 62131888, 71007872, 76470016, 124263776, 142015744, 152940032, 248527552, 284031488, 497055104, 994110208, 1988220416]

約数ペア:

[(1, 1988220416), (2, 994110208), (4, 497055104), (7, 284031488), (8, 248527552), (13, 152940032), (14, 142015744), (16, 124263776), (26, 76470016), (28, 71007872), (32, 62131888), (52, 38235008), (56, 35503936), (64, 31065944), (91, 21848576), (104, 19117504), (112, 17751968), (128, 15532972), (139, 14303744), (182, 10924288), (208, 9558752), (224, 8875984), (256, 7766486), (278, 7151872), (307, 6476288), (364, 5462144), (416, 4779376), (448, 4437992), (512, 3883243), (556, 3575936), (614, 3238144), (728, 2731072), (832, 2389688), (896, 2218996), (973, 2043392), (1112, 1787968), (1228, 1619072), (1456, 1365536), (1664, 1194844), (1792, 1109498), (1807, 1100288), (1946, 1021696), (2149, 925184), (2224, 893984), (2456, 809536), (2912, 682768), (3328, 597422), (3584, 554749), (3614, 550144), (3892, 510848), (3991, 498176), (4298, 462592), (4448, 446992), (4912, 404768), (5824, 341384), (6656, 298711), (7228, 275072), (7784, 255424), (7982, 249088), (8596, 231296), (8896, 223496), (9824, 202384), (11648, 170692), (12649, 157184), (14456, 137536), (15568, 127712), (15964, 124544), (17192, 115648), (17792, 111748), (19648, 101192), (23296, 85346), (25298, 78592), (27937, 71168), (28912, 68768), (31136, 63856), (31928, 62272), (34384, 57824), (35584, 55874), (39296, 50596), (42673, 46592)]