8478678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1531}}^1$

素因数の和:1620

約数の個数: 32

約数和(自身を含む): 18531072

約数和(自身を除く): 10052394

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1531, 1846, 2769, 3062, 4593, 5538, 9186, 19903, 39806, 59709, 108701, 119418, 217402, 326103, 652206, 1413113, 2826226, 4239339, 8478678]

約数ペア:

[(1, 8478678), (2, 4239339), (3, 2826226), (6, 1413113), (13, 652206), (26, 326103), (39, 217402), (71, 119418), (78, 108701), (142, 59709), (213, 39806), (426, 19903), (923, 9186), (1531, 5538), (1846, 4593), (2769, 3062)]