28640365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{10247}}^1$

素因数の和:10308

約数の個数: 16

約数和(自身を含む): 37876608

約数和(自身を除く): 9236243

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 10247, 51235, 133211, 440621, 666055, 2203105, 5728073, 28640365]

約数ペア:

[(1, 28640365), (5, 5728073), (13, 2203105), (43, 666055), (65, 440621), (215, 133211), (559, 51235), (2795, 10247)]