123653725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{1129}}^1$

素因数の和:1489

約数の個数: 24

約数和(自身を含む): 165761960

約数和(自身を除く): 42108235

約数列:

[1, 5, 13, 25, 65, 325, 337, 1129, 1685, 4381, 5645, 8425, 14677, 21905, 28225, 73385, 109525, 366925, 380473, 1902365, 4946149, 9511825, 24730745, 123653725]

約数ペア:

[(1, 123653725), (5, 24730745), (13, 9511825), (25, 4946149), (65, 1902365), (325, 380473), (337, 366925), (1129, 109525), (1685, 73385), (4381, 28225), (5645, 21905), (8425, 14677)]