28315105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4787}}^1$

素因数の和:4825

約数の個数: 24

約数和(自身を含む): 42057792

約数和(自身を除く): 13742687

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 4787, 5915, 23935, 33509, 62231, 167545, 311155, 435617, 809003, 2178085, 4045015, 5663021, 28315105]

約数ペア:

[(1, 28315105), (5, 5663021), (7, 4045015), (13, 2178085), (35, 809003), (65, 435617), (91, 311155), (169, 167545), (455, 62231), (845, 33509), (1183, 23935), (4787, 5915)]