12747025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 16974360

約数和(自身を除く): 4227335

約数列:

[1, 5, 17, 25, 85, 89, 337, 425, 445, 1513, 1685, 2225, 5729, 7565, 8425, 28645, 29993, 37825, 143225, 149965, 509881, 749825, 2549405, 12747025]

約数ペア:

[(1, 12747025), (5, 2549405), (17, 749825), (25, 509881), (85, 149965), (89, 143225), (337, 37825), (425, 29993), (445, 28645), (1513, 8425), (1685, 7565), (2225, 5729)]