28745563

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{577}}^1\times {\mathrm{647}}^1$

素因数の和:1242

約数の個数: 16

約数和(自身を含む): 35956224

約数和(自身を除く): 7210661

約数列:

[1, 7, 11, 77, 577, 647, 4039, 4529, 6347, 7117, 44429, 49819, 373319, 2613233, 4106509, 28745563]

約数ペア:

[(1, 28745563), (7, 4106509), (11, 2613233), (77, 373319), (577, 49819), (647, 44429), (4039, 7117), (4529, 6347)]