1778387

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:662

約数の個数: 12

約数和(自身を含む): 2042280

約数和(自身を除く): 263893

約数列:

[1, 13, 17, 169, 221, 619, 2873, 8047, 10523, 104611, 136799, 1778387]

約数ペア:

[(1, 1778387), (13, 136799), (17, 104611), (169, 10523), (221, 8047), (619, 2873)]