261388352

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{32159}}^1$

素因数の和:32298

約数の個数: 28

約数和(自身を含む): 522792960

約数和(自身を除く): 261404608

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064, 8128, 32159, 64318, 128636, 257272, 514544, 1029088, 2058176, 4084193, 8168386, 16336772, 32673544, 65347088, 130694176, 261388352]

約数ペア:

[(1, 261388352), (2, 130694176), (4, 65347088), (8, 32673544), (16, 16336772), (32, 8168386), (64, 4084193), (127, 2058176), (254, 1029088), (508, 514544), (1016, 257272), (2032, 128636), (4064, 64318), (8128, 32159)]