128081996

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{42751}}^1$

素因数の和:42869

約数の個数: 24

約数和(自身を含む): 258564096

約数和(自身を除く): 130482100

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 42751, 85502, 171004, 299257, 598514, 1197028, 4574357, 9148714, 18297428, 32020499, 64040998, 128081996]

約数ペア:

[(1, 128081996), (2, 64040998), (4, 32020499), (7, 18297428), (14, 9148714), (28, 4574357), (107, 1197028), (214, 598514), (428, 299257), (749, 171004), (1498, 85502), (2996, 42751)]