128704975

素因数分解:

$5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5791}}^1$

素因数の和:5935

約数の個数: 24

約数和(自身を含む): 183861248

約数和(自身を除く): 55156273

約数列:

[1, 5, 7, 25, 35, 127, 175, 635, 889, 3175, 4445, 5791, 22225, 28955, 40537, 144775, 202685, 735457, 1013425, 3677285, 5148199, 18386425, 25740995, 128704975]

約数ペア:

[(1, 128704975), (5, 25740995), (7, 18386425), (25, 5148199), (35, 3677285), (127, 1013425), (175, 735457), (635, 202685), (889, 144775), (3175, 40537), (4445, 28955), (5791, 22225)]