16487725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 21794240

約数和(自身を除く): 5306515

約数列:

[1, 5, 19, 25, 95, 103, 337, 475, 515, 1685, 1957, 2575, 6403, 8425, 9785, 32015, 34711, 48925, 160075, 173555, 659509, 867775, 3297545, 16487725]

約数ペア:

[(1, 16487725), (5, 3297545), (19, 867775), (25, 659509), (95, 173555), (103, 160075), (337, 48925), (475, 34711), (515, 32015), (1685, 9785), (1957, 8425), (2575, 6403)]