138448

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:534

約数の個数: 20

約数和(自身を含む): 284580

約数和(自身を除く): 146132

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 509, 1018, 2036, 4072, 8144, 8653, 17306, 34612, 69224, 138448]

約数ペア:

[(1, 138448), (2, 69224), (4, 34612), (8, 17306), (16, 8653), (17, 8144), (34, 4072), (68, 2036), (136, 1018), (272, 509)]