12728276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{653}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 24391584

約数和(自身を除く): 11663308

約数列:

[1, 2, 4, 11, 22, 44, 443, 653, 886, 1306, 1772, 2612, 4873, 7183, 9746, 14366, 19492, 28732, 289279, 578558, 1157116, 3182069, 6364138, 12728276]

約数ペア:

[(1, 12728276), (2, 6364138), (4, 3182069), (11, 1157116), (22, 578558), (44, 289279), (443, 28732), (653, 19492), (886, 14366), (1306, 9746), (1772, 7183), (2612, 4873)]