268408518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{6390679}}^1$

素因数の和:6390691

約数の個数: 16

約数和(自身を含む): 613505280

約数和(自身を除く): 345096762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 6390679, 12781358, 19172037, 38344074, 44734753, 89469506, 134204259, 268408518]

約数ペア:

[(1, 268408518), (2, 134204259), (3, 89469506), (6, 44734753), (7, 38344074), (14, 19172037), (21, 12781358), (42, 6390679)]