1781261072

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{2715337}}^1$

素因数の和:2715386

約数の個数: 20

約数和(自身を含む): 3535370076

約数和(自身を除く): 1754109004

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 2715337, 5430674, 10861348, 21722696, 43445392, 111328817, 222657634, 445315268, 890630536, 1781261072]

約数ペア:

[(1, 1781261072), (2, 890630536), (4, 445315268), (8, 222657634), (16, 111328817), (41, 43445392), (82, 21722696), (164, 10861348), (328, 5430674), (656, 2715337)]