1291516849

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{511087}}^1$

素因数の和:511132

約数の個数: 12

約数和(自身を含む): 1557796224

約数和(自身を除く): 266279375

約数列:

[1, 7, 19, 133, 361, 2527, 511087, 3577609, 9710653, 67974571, 184502407, 1291516849]

約数ペア:

[(1, 1291516849), (7, 184502407), (19, 67974571), (133, 9710653), (361, 3577609), (2527, 511087)]