399401792

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{49139}}^1$

素因数の和:49278

約数の個数: 28

約数和(自身を含む): 798819840

約数和(自身を除く): 399418048

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064, 8128, 49139, 98278, 196556, 393112, 786224, 1572448, 3144896, 6240653, 12481306, 24962612, 49925224, 99850448, 199700896, 399401792]

約数ペア:

[(1, 399401792), (2, 199700896), (4, 99850448), (8, 49925224), (16, 24962612), (32, 12481306), (64, 6240653), (127, 3144896), (254, 1572448), (508, 786224), (1016, 393112), (2032, 196556), (4064, 98278), (8128, 49139)]