128900545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{25703}}^1$

素因数の和:25784

約数の個数: 16

約数和(自身を含む): 166561920

約数和(自身を除く): 37661375

約数列:

[1, 5, 17, 59, 85, 295, 1003, 5015, 25703, 128515, 436951, 1516477, 2184755, 7582385, 25780109, 128900545]

約数ペア:

[(1, 128900545), (5, 25780109), (17, 7582385), (59, 2184755), (85, 1516477), (295, 436951), (1003, 128515), (5015, 25703)]