220138321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{887}}^1\times {\mathrm{1123}}^1$

素因数の和:2040

約数の個数: 16

約数和(自身を含む): 251524224

約数和(自身を除く): 31385903

約数列:

[1, 13, 17, 221, 887, 1123, 11531, 14599, 15079, 19091, 196027, 248183, 996101, 12949313, 16933717, 220138321]

約数ペア:

[(1, 220138321), (13, 16933717), (17, 12949313), (221, 996101), (887, 248183), (1123, 196027), (11531, 19091), (14599, 15079)]