28348528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1867}}^1$

素因数の和:1961

約数の個数: 40

約数和(自身を含む): 59992688

約数和(自身を除く): 31644160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1867, 1898, 3734, 3796, 7468, 7592, 14936, 15184, 24271, 29872, 48542, 97084, 136291, 194168, 272582, 388336, 545164, 1090328, 1771783, 2180656, 3543566, 7087132, 14174264, 28348528]

約数ペア:

[(1, 28348528), (2, 14174264), (4, 7087132), (8, 3543566), (13, 2180656), (16, 1771783), (26, 1090328), (52, 545164), (73, 388336), (104, 272582), (146, 194168), (208, 136291), (292, 97084), (584, 48542), (949, 29872), (1168, 24271), (1867, 15184), (1898, 14936), (3734, 7592), (3796, 7468)]