28970519

素因数分解:

${\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:350

約数の個数: 16

約数和(自身を含む): 30898560

約数和(自身を除く): 1928041

約数列:

[1, 37, 43, 131, 139, 1591, 4847, 5143, 5633, 5977, 18209, 208421, 221149, 673733, 782987, 28970519]

約数ペア:

[(1, 28970519), (37, 782987), (43, 673733), (131, 221149), (139, 208421), (1591, 18209), (4847, 5977), (5143, 5633)]