28303015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{673}}^1$

素因数の和:1338

約数の個数: 16

約数和(自身を含む): 36687168

約数和(自身を除く): 8384153

約数列:

[1, 5, 13, 65, 647, 673, 3235, 3365, 8411, 8749, 42055, 43745, 435431, 2177155, 5660603, 28303015]

約数ペア:

[(1, 28303015), (5, 5660603), (13, 2177155), (65, 435431), (647, 43745), (673, 42055), (3235, 8749), (3365, 8411)]