206986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:453

約数の個数: 16

約数和(自身を含む): 352800

約数和(自身を除く): 145814

約数列:

[1, 2, 13, 19, 26, 38, 247, 419, 494, 838, 5447, 7961, 10894, 15922, 103493, 206986]

約数ペア:

[(1, 206986), (2, 103493), (13, 15922), (19, 10894), (26, 7961), (38, 5447), (247, 838), (419, 494)]