28198928

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:423

約数の個数: 40

約数和(自身を含む): 56174976

約数和(自身を除く): 27976048

約数列:

[1, 2, 4, 8, 16, 71, 103, 142, 206, 241, 284, 412, 482, 568, 824, 964, 1136, 1648, 1928, 3856, 7313, 14626, 17111, 24823, 29252, 34222, 49646, 58504, 68444, 99292, 117008, 136888, 198584, 273776, 397168, 1762433, 3524866, 7049732, 14099464, 28198928]

約数ペア:

[(1, 28198928), (2, 14099464), (4, 7049732), (8, 3524866), (16, 1762433), (71, 397168), (103, 273776), (142, 198584), (206, 136888), (241, 117008), (284, 99292), (412, 68444), (482, 58504), (568, 49646), (824, 34222), (964, 29252), (1136, 24823), (1648, 17111), (1928, 14626), (3856, 7313)]