28190687

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{797}}^1$

素因数の和:998

約数の個数: 16

約数和(自身を含む): 33503232

約数和(自身を除く): 5312545

約数列:

[1, 7, 31, 163, 217, 797, 1141, 5053, 5579, 24707, 35371, 129911, 172949, 909377, 4027241, 28190687]

約数ペア:

[(1, 28190687), (7, 4027241), (31, 909377), (163, 172949), (217, 129911), (797, 35371), (1141, 24707), (5053, 5579)]