129338075

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 163437456

約数和(自身を除く): 34099381

約数列:

[1, 5, 25, 101, 181, 283, 505, 905, 1415, 2525, 4525, 7075, 18281, 28583, 51223, 91405, 142915, 256115, 457025, 714575, 1280575, 5173523, 25867615, 129338075]

約数ペア:

[(1, 129338075), (5, 25867615), (25, 5173523), (101, 1280575), (181, 714575), (283, 457025), (505, 256115), (905, 142915), (1415, 91405), (2525, 51223), (4525, 28583), (7075, 18281)]