1991115056

素因数分解:

$2^4\times 7^1\times {\mathrm{17777813}}^1$

素因数の和:17777828

約数の個数: 20

約数和(自身を含む): 4408897872

約数和(自身を除く): 2417782816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 17777813, 35555626, 71111252, 124444691, 142222504, 248889382, 284445008, 497778764, 995557528, 1991115056]

約数ペア:

[(1, 1991115056), (2, 995557528), (4, 497778764), (7, 284445008), (8, 248889382), (14, 142222504), (16, 124444691), (28, 71111252), (56, 35555626), (112, 17777813)]