128995972

素因数分解:

$2^2\times 7^1\times {\mathrm{727}}^1\times {\mathrm{6337}}^1$

素因数の和:7075

約数の個数: 24

約数和(自身を含む): 258387584

約数和(自身を除く): 129391612

約数列:

[1, 2, 4, 7, 14, 28, 727, 1454, 2908, 5089, 6337, 10178, 12674, 20356, 25348, 44359, 88718, 177436, 4606999, 9213998, 18427996, 32248993, 64497986, 128995972]

約数ペア:

[(1, 128995972), (2, 64497986), (4, 32248993), (7, 18427996), (14, 9213998), (28, 4606999), (727, 177436), (1454, 88718), (2908, 44359), (5089, 25348), (6337, 20356), (10178, 12674)]