80539654

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1\times {\mathrm{997}}^1$

素因数の和:1264

約数の個数: 24

約数和(自身を含む): 131496480

約数和(自身を除く): 50956826

約数列:

[1, 2, 13, 26, 169, 239, 338, 478, 997, 1994, 3107, 6214, 12961, 25922, 40391, 80782, 168493, 238283, 336986, 476566, 3097679, 6195358, 40269827, 80539654]

約数ペア:

[(1, 80539654), (2, 40269827), (13, 6195358), (26, 3097679), (169, 476566), (239, 336986), (338, 238283), (478, 168493), (997, 80782), (1994, 40391), (3107, 25922), (6214, 12961)]