12978896

素因数分解:

$2^4\times 7^1\times {\mathrm{115883}}^1$

素因数の和:115898

約数の個数: 20

約数和(自身を含む): 28739232

約数和(自身を除く): 15760336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 115883, 231766, 463532, 811181, 927064, 1622362, 1854128, 3244724, 6489448, 12978896]

約数ペア:

[(1, 12978896), (2, 6489448), (4, 3244724), (7, 1854128), (8, 1622362), (14, 927064), (16, 811181), (28, 463532), (56, 231766), (112, 115883)]