28235905

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 34594560

約数和(自身を除く): 6358655

約数列:

[1, 5, 103, 109, 503, 515, 545, 2515, 11227, 51809, 54827, 56135, 259045, 274135, 5647181, 28235905]

約数ペア:

[(1, 28235905), (5, 5647181), (103, 274135), (109, 259045), (503, 56135), (515, 54827), (545, 51809), (2515, 11227)]