247970411

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 285441408

約数和(自身を除く): 37470997

約数列:

[1, 13, 37, 53, 71, 137, 481, 689, 923, 1781, 1961, 2627, 3763, 5069, 7261, 9727, 25493, 34151, 48919, 65897, 94393, 126451, 139231, 268657, 359899, 515531, 1810003, 3492541, 4678687, 6701903, 19074647, 247970411]

約数ペア:

[(1, 247970411), (13, 19074647), (37, 6701903), (53, 4678687), (71, 3492541), (137, 1810003), (481, 515531), (689, 359899), (923, 268657), (1781, 139231), (1961, 126451), (2627, 94393), (3763, 65897), (5069, 48919), (7261, 34151), (9727, 25493)]