128501968

素因数分解:

$2^4\times 7^1\times {\mathrm{1147339}}^1$

素因数の和:1147354

約数の個数: 20

約数和(自身を含む): 284540320

約数和(自身を除く): 156038352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1147339, 2294678, 4589356, 8031373, 9178712, 16062746, 18357424, 32125492, 64250984, 128501968]

約数ペア:

[(1, 128501968), (2, 64250984), (4, 32125492), (7, 18357424), (8, 16062746), (14, 9178712), (16, 8031373), (28, 4589356), (56, 2294678), (112, 1147339)]