28871986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 51283008

約数和(自身を除く): 22411022

約数列:

[1, 2, 11, 13, 22, 26, 143, 157, 286, 314, 643, 1286, 1727, 2041, 3454, 4082, 7073, 8359, 14146, 16718, 22451, 44902, 91949, 100951, 183898, 201902, 1110461, 1312363, 2220922, 2624726, 14435993, 28871986]

約数ペア:

[(1, 28871986), (2, 14435993), (11, 2624726), (13, 2220922), (22, 1312363), (26, 1110461), (143, 201902), (157, 183898), (286, 100951), (314, 91949), (643, 44902), (1286, 22451), (1727, 16718), (2041, 14146), (3454, 8359), (4082, 7073)]