639244672

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{454009}}^1$

素因数の和:454034

約数の個数: 32

約数和(自身を含む): 1389270600

約数和(自身を除く): 750025928

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 454009, 908018, 1816036, 3632072, 4994099, 7264144, 9988198, 14528288, 19976396, 29056576, 39952792, 58113152, 79905584, 159811168, 319622336, 639244672]

約数ペア:

[(1, 639244672), (2, 319622336), (4, 159811168), (8, 79905584), (11, 58113152), (16, 39952792), (22, 29056576), (32, 19976396), (44, 14528288), (64, 9988198), (88, 7264144), (128, 4994099), (176, 3632072), (352, 1816036), (704, 908018), (1408, 454009)]