133045496272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{639641809}}^1$

素因数の和:639641830

約数の個数: 20

約数和(自身を含む): 277604545540

約数和(自身を除く): 144559049268

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 639641809, 1279283618, 2558567236, 5117134472, 8315343517, 10234268944, 16630687034, 33261374068, 66522748136, 133045496272]

約数ペア:

[(1, 133045496272), (2, 66522748136), (4, 33261374068), (8, 16630687034), (13, 10234268944), (16, 8315343517), (26, 5117134472), (52, 2558567236), (104, 1279283618), (208, 639641809)]