28756465

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{1021}}^1$

素因数の和:1200

約数の個数: 16

約数和(自身を含む): 35614656

約数和(自身を除く): 6858191

約数列:

[1, 5, 43, 131, 215, 655, 1021, 5105, 5633, 28165, 43903, 133751, 219515, 668755, 5751293, 28756465]

約数ペア:

[(1, 28756465), (5, 5751293), (43, 668755), (131, 219515), (215, 133751), (655, 43903), (1021, 28165), (5105, 5633)]