28143647

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{653}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 33149952

約数和(自身を除く): 5006305

約数列:

[1, 7, 47, 131, 329, 653, 917, 4571, 6157, 30691, 43099, 85543, 214837, 598801, 4020521, 28143647]

約数ペア:

[(1, 28143647), (7, 4020521), (47, 598801), (131, 214837), (329, 85543), (653, 43099), (917, 30691), (4571, 6157)]