1781481968

素因数分解:

$2^4\times 7^1\times {\mathrm{15906089}}^1$

素因数の和:15906104

約数の個数: 20

約数和(自身を含む): 3944710320

約数和(自身を除く): 2163228352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 15906089, 31812178, 63624356, 111342623, 127248712, 222685246, 254497424, 445370492, 890740984, 1781481968]

約数ペア:

[(1, 1781481968), (2, 890740984), (4, 445370492), (7, 254497424), (8, 222685246), (14, 127248712), (16, 111342623), (28, 63624356), (56, 31812178), (112, 15906089)]