28219021

素因数分解:

${\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{12821}}^1$

素因数の和:12923

約数の個数: 8

約数和(自身を含む): 29541888

約数和(自身を除く): 1322867

約数列:

[1, 31, 71, 2201, 12821, 397451, 910291, 28219021]

約数ペア:

[(1, 28219021), (31, 910291), (71, 397451), (2201, 12821)]