138715568

素因数分解:

$2^4\times {\mathrm{1321}}^1\times {\mathrm{6563}}^1$

素因数の和:7892

約数の個数: 20

約数和(自身を含む): 269005848

約数和(自身を除く): 130290280

約数列:

[1, 2, 4, 8, 16, 1321, 2642, 5284, 6563, 10568, 13126, 21136, 26252, 52504, 105008, 8669723, 17339446, 34678892, 69357784, 138715568]

約数ペア:

[(1, 138715568), (2, 69357784), (4, 34678892), (8, 17339446), (16, 8669723), (1321, 105008), (2642, 52504), (5284, 26252), (6563, 21136), (10568, 13126)]