138906992

素因数分解:

$2^4\times 7^1\times {\mathrm{1240241}}^1$

素因数の和:1240256

約数の個数: 20

約数和(自身を含む): 307580016

約数和(自身を除く): 168673024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1240241, 2480482, 4960964, 8681687, 9921928, 17363374, 19843856, 34726748, 69453496, 138906992]

約数ペア:

[(1, 138906992), (2, 69453496), (4, 34726748), (7, 19843856), (8, 17363374), (14, 9921928), (16, 8681687), (28, 4960964), (56, 2480482), (112, 1240241)]