2153645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1949}}^1$

素因数の和:1984

約数の個数: 16

約数和(自身を含む): 2948400

約数和(自身を除く): 794755

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1949, 9745, 25337, 33133, 126685, 165665, 430729, 2153645]

約数ペア:

[(1, 2153645), (5, 430729), (13, 165665), (17, 126685), (65, 33133), (85, 25337), (221, 9745), (1105, 1949)]