12945289

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{743}}^1$

素因数の和:900

約数の個数: 16

約数和(自身を含む): 15713280

約数和(自身を除く): 2767991

約数列:

[1, 7, 19, 131, 133, 743, 917, 2489, 5201, 14117, 17423, 97333, 98819, 681331, 1849327, 12945289]

約数ペア:

[(1, 12945289), (7, 1849327), (19, 681331), (131, 98819), (133, 97333), (743, 17423), (917, 14117), (2489, 5201)]