128238992

素因数分解:

$2^4\times 7^1\times {\mathrm{241}}^1\times {\mathrm{4751}}^1$

素因数の和:5007

約数の個数: 40

約数和(自身を含む): 285196032

約数和(自身を除く): 156957040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 241, 482, 964, 1687, 1928, 3374, 3856, 4751, 6748, 9502, 13496, 19004, 26992, 33257, 38008, 66514, 76016, 133028, 266056, 532112, 1144991, 2289982, 4579964, 8014937, 9159928, 16029874, 18319856, 32059748, 64119496, 128238992]

約数ペア:

[(1, 128238992), (2, 64119496), (4, 32059748), (7, 18319856), (8, 16029874), (14, 9159928), (16, 8014937), (28, 4579964), (56, 2289982), (112, 1144991), (241, 532112), (482, 266056), (964, 133028), (1687, 76016), (1928, 66514), (3374, 38008), (3856, 33257), (4751, 26992), (6748, 19004), (9502, 13496)]