128215108

素因数分解:

$2^2\times 7^1\times {\mathrm{4579111}}^1$

素因数の和:4579122

約数の個数: 12

約数和(自身を含む): 256430272

約数和(自身を除く): 128215164

約数列:

[1, 2, 4, 7, 14, 28, 4579111, 9158222, 18316444, 32053777, 64107554, 128215108]

約数ペア:

[(1, 128215108), (2, 64107554), (4, 32053777), (7, 18316444), (14, 9158222), (28, 4579111)]