128276988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1527107}}^1$

素因数の和:1527121

約数の個数: 24

約数和(自身を含む): 342072192

約数和(自身を除く): 213795204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1527107, 3054214, 4581321, 6108428, 9162642, 10689749, 18325284, 21379498, 32069247, 42758996, 64138494, 128276988]

約数ペア:

[(1, 128276988), (2, 64138494), (3, 42758996), (4, 32069247), (6, 21379498), (7, 18325284), (12, 10689749), (14, 9162642), (21, 6108428), (28, 4581321), (42, 3054214), (84, 1527107)]