128973838

素因数分解:

$2^1\times 7^1\times {\mathrm{2887}}^1\times {\mathrm{3191}}^1$

素因数の和:6087

約数の個数: 16

約数和(自身を含む): 221243904

約数和(自身を除く): 92270066

約数列:

[1, 2, 7, 14, 2887, 3191, 5774, 6382, 20209, 22337, 40418, 44674, 9212417, 18424834, 64486919, 128973838]

約数ペア:

[(1, 128973838), (2, 64486919), (7, 18424834), (14, 9212417), (2887, 44674), (3191, 40418), (5774, 22337), (6382, 20209)]