31780988

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{857}}^1$

素因数の和:1061

約数の個数: 24

約数和(自身を含む): 56888832

約数和(自身を除く): 25107844

約数列:

[1, 2, 4, 73, 127, 146, 254, 292, 508, 857, 1714, 3428, 9271, 18542, 37084, 62561, 108839, 125122, 217678, 250244, 435356, 7945247, 15890494, 31780988]

約数ペア:

[(1, 31780988), (2, 15890494), (4, 7945247), (73, 435356), (127, 250244), (146, 217678), (254, 125122), (292, 108839), (508, 62561), (857, 37084), (1714, 18542), (3428, 9271)]