128839994

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{22039}}^1$

素因数の和:22157

約数の個数: 16

約数和(自身を含む): 201004800

約数和(自身を除く): 72164806

約数列:

[1, 2, 37, 74, 79, 158, 2923, 5846, 22039, 44078, 815443, 1630886, 1741081, 3482162, 64419997, 128839994]

約数ペア:

[(1, 128839994), (2, 64419997), (37, 3482162), (74, 1741081), (79, 1630886), (158, 815443), (2923, 44078), (5846, 22039)]