128561657

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{10861}}^1$

素因数の和:10976

約数の個数: 16

約数和(自身を含む): 156412800

約数和(自身を除く): 27851143

約数列:

[1, 7, 19, 89, 133, 623, 1691, 10861, 11837, 76027, 206359, 966629, 1444513, 6766403, 18365951, 128561657]

約数ペア:

[(1, 128561657), (7, 18365951), (19, 6766403), (89, 1444513), (133, 966629), (623, 206359), (1691, 76027), (10861, 11837)]