128816828

素因数分解:

$2^2\times 7^1\times {\mathrm{827}}^1\times {\mathrm{5563}}^1$

素因数の和:6401

約数の個数: 24

約数和(自身を含む): 257991552

約数和(自身を除く): 129174724

約数列:

[1, 2, 4, 7, 14, 28, 827, 1654, 3308, 5563, 5789, 11126, 11578, 22252, 23156, 38941, 77882, 155764, 4600601, 9201202, 18402404, 32204207, 64408414, 128816828]

約数ペア:

[(1, 128816828), (2, 64408414), (4, 32204207), (7, 18402404), (14, 9201202), (28, 4600601), (827, 155764), (1654, 77882), (3308, 38941), (5563, 23156), (5789, 22252), (11126, 11578)]