12240319

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4339}}^1$

素因数の和:4390

約数の個数: 16

約数和(自身を含む): 15554560

約数和(自身を除く): 3314241

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 4339, 30373, 56407, 134509, 394849, 941563, 1748617, 12240319]

約数ペア:

[(1, 12240319), (7, 1748617), (13, 941563), (31, 394849), (91, 134509), (217, 56407), (403, 30373), (2821, 4339)]