1278889417

素因数分解:

${\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{2011}}^1$

素因数の和:2161

約数の個数: 24

約数和(自身を含む): 1431546048

約数和(自身を除く): 152656631

約数列:

[1, 13, 53, 71, 169, 689, 923, 2011, 3763, 8957, 11999, 26143, 48919, 106583, 142781, 339859, 635947, 1385579, 1856153, 7567393, 18012527, 24129989, 98376109, 1278889417]

約数ペア:

[(1, 1278889417), (13, 98376109), (53, 24129989), (71, 18012527), (169, 7567393), (689, 1856153), (923, 1385579), (2011, 635947), (3763, 339859), (8957, 142781), (11999, 106583), (26143, 48919)]