128081968

素因数分解:

$2^4\times 7^1\times {\mathrm{1143589}}^1$

素因数の和:1143604

約数の個数: 20

約数和(自身を含む): 283610320

約数和(自身を除く): 155528352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1143589, 2287178, 4574356, 8005123, 9148712, 16010246, 18297424, 32020492, 64040984, 128081968]

約数ペア:

[(1, 128081968), (2, 64040984), (4, 32020492), (7, 18297424), (8, 16010246), (14, 9148712), (16, 8005123), (28, 4574356), (56, 2287178), (112, 1143589)]