128157211

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{7297}}^1$

素因数の和:7510

約数の個数: 16

約数和(自身を含む): 158570944

約数和(自身を除く): 30413733

約数列:

[1, 7, 13, 91, 193, 1351, 2509, 7297, 17563, 51079, 94861, 664027, 1408321, 9858247, 18308173, 128157211]

約数ペア:

[(1, 128157211), (7, 18308173), (13, 9858247), (91, 1408321), (193, 664027), (1351, 94861), (2509, 51079), (7297, 17563)]