28439902

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{5413}}^1$

素因数の和:5523

約数の個数: 16

約数和(自身を含む): 44438112

約数和(自身を除く): 15998210

約数列:

[1, 2, 37, 71, 74, 142, 2627, 5254, 5413, 10826, 200281, 384323, 400562, 768646, 14219951, 28439902]

約数ペア:

[(1, 28439902), (2, 14219951), (37, 768646), (71, 400562), (74, 384323), (142, 200281), (2627, 10826), (5254, 5413)]