678045136

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{2492813}}^1$

素因数の和:2492838

約数の個数: 20

約数和(自身を含む): 1390990212

約数和(自身を除く): 712945076

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 2492813, 4985626, 9971252, 19942504, 39885008, 42377821, 84755642, 169511284, 339022568, 678045136]

約数ペア:

[(1, 678045136), (2, 339022568), (4, 169511284), (8, 84755642), (16, 42377821), (17, 39885008), (34, 19942504), (68, 9971252), (136, 4985626), (272, 2492813)]