81251876

素因数分解:

$2^2\times {\mathrm{439}}^1\times {\mathrm{46271}}^1$

素因数の和:46714

約数の個数: 12

約数和(自身を含む): 142517760

約数和(自身を除く): 61265884

約数列:

[1, 2, 4, 439, 878, 1756, 46271, 92542, 185084, 20312969, 40625938, 81251876]

約数ペア:

[(1, 81251876), (2, 40625938), (4, 20312969), (439, 185084), (878, 92542), (1756, 46271)]