26780451992

素因数分解:

$2^3\times 7^1\times {\mathrm{478222357}}^1$

素因数の和:478222370

約数の個数: 16

約数和(自身を含む): 57386682960

約数和(自身を除く): 30606230968

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 478222357, 956444714, 1912889428, 3347556499, 3825778856, 6695112998, 13390225996, 26780451992]

約数ペア:

[(1, 26780451992), (2, 13390225996), (4, 6695112998), (7, 3825778856), (8, 3347556499), (14, 1912889428), (28, 956444714), (56, 478222357)]