221168128

素因数分解:

$2^9\times {\mathrm{487}}^1\times {\mathrm{887}}^1$

素因数の和:1392

約数の個数: 40

約数和(自身を含む): 443310912

約数和(自身を除く): 222142784

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 487, 512, 887, 974, 1774, 1948, 3548, 3896, 7096, 7792, 14192, 15584, 28384, 31168, 56768, 62336, 113536, 124672, 227072, 249344, 431969, 454144, 863938, 1727876, 3455752, 6911504, 13823008, 27646016, 55292032, 110584064, 221168128]

約数ペア:

[(1, 221168128), (2, 110584064), (4, 55292032), (8, 27646016), (16, 13823008), (32, 6911504), (64, 3455752), (128, 1727876), (256, 863938), (487, 454144), (512, 431969), (887, 249344), (974, 227072), (1774, 124672), (1948, 113536), (3548, 62336), (3896, 56768), (7096, 31168), (7792, 28384), (14192, 15584)]