28086961

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1823}}^1$

素因数の和:1932

約数の個数: 16

約数和(自身を含む): 33619968

約数和(自身を除く): 5533007

約数列:

[1, 7, 31, 71, 217, 497, 1823, 2201, 12761, 15407, 56513, 129433, 395591, 906031, 4012423, 28086961]

約数ペア:

[(1, 28086961), (7, 4012423), (31, 906031), (71, 395591), (217, 129433), (497, 56513), (1823, 15407), (2201, 12761)]