28651681

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 31784400

約数和(自身を除く): 3132719

約数列:

[1, 17, 29, 89, 493, 653, 1513, 2581, 11101, 18937, 43877, 58117, 321929, 987989, 1685393, 28651681]

約数ペア:

[(1, 28651681), (17, 1685393), (29, 987989), (89, 321929), (493, 58117), (653, 43877), (1513, 18937), (2581, 11101)]