205120136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{27779}}^1$

素因数の和:27869

約数の個数: 32

約数和(自身を含む): 420033600

約数和(自身を除く): 214913464

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 3692, 7384, 27779, 55558, 111116, 222232, 361127, 722254, 1444508, 1972309, 2889016, 3944618, 7889236, 15778472, 25640017, 51280034, 102560068, 205120136]

約数ペア:

[(1, 205120136), (2, 102560068), (4, 51280034), (8, 25640017), (13, 15778472), (26, 7889236), (52, 3944618), (71, 2889016), (104, 1972309), (142, 1444508), (284, 722254), (568, 361127), (923, 222232), (1846, 111116), (3692, 55558), (7384, 27779)]