87817928

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 182207340

約数和(自身を除く): 94389412

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 257, 353, 484, 514, 706, 968, 1028, 1412, 2056, 2824, 2827, 3883, 5654, 7766, 11308, 15532, 22616, 31064, 31097, 42713, 62194, 85426, 90721, 124388, 170852, 181442, 248776, 341704, 362884, 725768, 997931, 1995862, 3991724, 7983448, 10977241, 21954482, 43908964, 87817928]

約数ペア:

[(1, 87817928), (2, 43908964), (4, 21954482), (8, 10977241), (11, 7983448), (22, 3991724), (44, 1995862), (88, 997931), (121, 725768), (242, 362884), (257, 341704), (353, 248776), (484, 181442), (514, 170852), (706, 124388), (968, 90721), (1028, 85426), (1412, 62194), (2056, 42713), (2824, 31097), (2827, 31064), (3883, 22616), (5654, 15532), (7766, 11308)]