28380053

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1291}}^1$

素因数の和:1412

約数の個数: 16

約数和(自身を含む): 32558400

約数和(自身を除く): 4178347

約数列:

[1, 13, 19, 89, 247, 1157, 1291, 1691, 16783, 21983, 24529, 114899, 318877, 1493687, 2183081, 28380053]

約数ペア:

[(1, 28380053), (13, 2183081), (19, 1493687), (89, 318877), (247, 114899), (1157, 24529), (1291, 21983), (1691, 16783)]