78140776

素因数分解:

$2^3\times 7^1\times {\mathrm{661}}^1\times {\mathrm{2111}}^1$

素因数の和:2785

約数の個数: 32

約数和(自身を含む): 167777280

約数和(自身を除く): 89636504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 661, 1322, 2111, 2644, 4222, 4627, 5288, 8444, 9254, 14777, 16888, 18508, 29554, 37016, 59108, 118216, 1395371, 2790742, 5581484, 9767597, 11162968, 19535194, 39070388, 78140776]

約数ペア:

[(1, 78140776), (2, 39070388), (4, 19535194), (7, 11162968), (8, 9767597), (14, 5581484), (28, 2790742), (56, 1395371), (661, 118216), (1322, 59108), (2111, 37016), (2644, 29554), (4222, 18508), (4627, 16888), (5288, 14777), (8444, 9254)]