138864128

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:735

約数の個数: 80

約数和(自身を含む): 308896896

約数和(自身を除く): 170032768

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 673, 806, 832, 992, 1346, 1612, 1664, 1984, 2692, 3224, 3328, 3968, 5384, 6448, 6656, 7936, 8749, 10768, 12896, 15872, 17498, 20863, 21536, 25792, 34996, 41726, 43072, 51584, 69992, 83452, 86144, 103168, 139984, 166904, 172288, 206336, 271219, 279968, 333808, 344576, 542438, 559936, 667616, 1084876, 1119872, 1335232, 2169752, 2239744, 2670464, 4339504, 4479488, 5340928, 8679008, 10681856, 17358016, 34716032, 69432064, 138864128]

約数ペア:

[(1, 138864128), (2, 69432064), (4, 34716032), (8, 17358016), (13, 10681856), (16, 8679008), (26, 5340928), (31, 4479488), (32, 4339504), (52, 2670464), (62, 2239744), (64, 2169752), (104, 1335232), (124, 1119872), (128, 1084876), (208, 667616), (248, 559936), (256, 542438), (403, 344576), (416, 333808), (496, 279968), (512, 271219), (673, 206336), (806, 172288), (832, 166904), (992, 139984), (1346, 103168), (1612, 86144), (1664, 83452), (1984, 69992), (2692, 51584), (3224, 43072), (3328, 41726), (3968, 34996), (5384, 25792), (6448, 21536), (6656, 20863), (7936, 17498), (8749, 15872), (10768, 12896)]