28391821

素因数分解:

${\mathrm{23}}^1\times {\mathrm{907}}^1\times {\mathrm{1361}}^1$

素因数の和:2291

約数の個数: 8

約数和(自身を含む): 29680704

約数和(自身を除く): 1288883

約数列:

[1, 23, 907, 1361, 20861, 31303, 1234427, 28391821]

約数ペア:

[(1, 28391821), (23, 1234427), (907, 31303), (1361, 20861)]