28508417

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3019}}^1$

素因数の和:3116

約数の個数: 16

約数和(自身を含む): 34790400

約数和(自身を除く): 6281983

約数列:

[1, 7, 19, 71, 133, 497, 1349, 3019, 9443, 21133, 57361, 214349, 401527, 1500443, 4072631, 28508417]

約数ペア:

[(1, 28508417), (7, 4072631), (19, 1500443), (71, 401527), (133, 214349), (497, 57361), (1349, 21133), (3019, 9443)]