9989815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4909}}^1$

素因数の和:4962

約数の個数: 16

約数和(自身を含む): 13433760

約数和(自身を除く): 3443945

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 4909, 24545, 53999, 181633, 269995, 908165, 1997963, 9989815]

約数ペア:

[(1, 9989815), (5, 1997963), (11, 908165), (37, 269995), (55, 181633), (185, 53999), (407, 24545), (2035, 4909)]