128957568

素因数分解:

$2^7\times 3^1\times {\mathrm{499}}^1\times {\mathrm{673}}^1$

素因数の和:1189

約数の個数: 64

約数和(自身を含む): 343740000

約数和(自身を除く): 214782432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 499, 673, 998, 1346, 1497, 1996, 2019, 2692, 2994, 3992, 4038, 5384, 5988, 7984, 8076, 10768, 11976, 15968, 16152, 21536, 23952, 31936, 32304, 43072, 47904, 63872, 64608, 86144, 95808, 129216, 191616, 258432, 335827, 671654, 1007481, 1343308, 2014962, 2686616, 4029924, 5373232, 8059848, 10746464, 16119696, 21492928, 32239392, 42985856, 64478784, 128957568]

約数ペア:

[(1, 128957568), (2, 64478784), (3, 42985856), (4, 32239392), (6, 21492928), (8, 16119696), (12, 10746464), (16, 8059848), (24, 5373232), (32, 4029924), (48, 2686616), (64, 2014962), (96, 1343308), (128, 1007481), (192, 671654), (384, 335827), (499, 258432), (673, 191616), (998, 129216), (1346, 95808), (1497, 86144), (1996, 64608), (2019, 63872), (2692, 47904), (2994, 43072), (3992, 32304), (4038, 31936), (5384, 23952), (5988, 21536), (7984, 16152), (8076, 15968), (10768, 11976)]