12889456

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{27779}}^1$

素因数の和:27816

約数の個数: 20

約数和(自身を含む): 25835400

約数和(自身を除く): 12945944

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 27779, 55558, 111116, 222232, 444464, 805591, 1611182, 3222364, 6444728, 12889456]

約数ペア:

[(1, 12889456), (2, 6444728), (4, 3222364), (8, 1611182), (16, 805591), (29, 444464), (58, 222232), (116, 111116), (232, 55558), (464, 27779)]