28828135

素因数分解:

$5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{4139}}^1$

素因数の和:4350

約数の個数: 16

約数和(自身を含む): 39744000

約数和(自身を除く): 10915865

約数列:

[1, 5, 7, 35, 199, 995, 1393, 4139, 6965, 20695, 28973, 144865, 823661, 4118305, 5765627, 28828135]

約数ペア:

[(1, 28828135), (5, 5765627), (7, 4118305), (35, 823661), (199, 144865), (995, 28973), (1393, 20695), (4139, 6965)]