1280372

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1031

約数の個数: 24

約数和(自身を含む): 2499840

約数和(自身を除く): 1219468

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 991, 1292, 1982, 3964, 16847, 18829, 33694, 37658, 67388, 75316, 320093, 640186, 1280372]

約数ペア:

[(1, 1280372), (2, 640186), (4, 320093), (17, 75316), (19, 67388), (34, 37658), (38, 33694), (68, 18829), (76, 16847), (323, 3964), (646, 1982), (991, 1292)]