128632144

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{259339}}^1$

素因数の和:259378

約数の個数: 20

約数和(自身を含む): 257265280

約数和(自身を除く): 128633136

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 259339, 518678, 1037356, 2074712, 4149424, 8039509, 16079018, 32158036, 64316072, 128632144]

約数ペア:

[(1, 128632144), (2, 64316072), (4, 32158036), (8, 16079018), (16, 8039509), (31, 4149424), (62, 2074712), (124, 1037356), (248, 518678), (496, 259339)]