138401816

素因数分解:

$2^3\times 7^1\times {\mathrm{2471461}}^1$

素因数の和:2471474

約数の個数: 16

約数和(自身を含む): 296575440

約数和(自身を除く): 158173624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2471461, 4942922, 9885844, 17300227, 19771688, 34600454, 69200908, 138401816]

約数ペア:

[(1, 138401816), (2, 69200908), (4, 34600454), (7, 19771688), (8, 17300227), (14, 9885844), (28, 4942922), (56, 2471461)]