291209968

素因数分解:

$2^4\times 7^1\times {\mathrm{2600089}}^1$

素因数の和:2600104

約数の個数: 20

約数和(自身を含む): 644822320

約数和(自身を除く): 353612352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2600089, 5200178, 10400356, 18200623, 20800712, 36401246, 41601424, 72802492, 145604984, 291209968]

約数ペア:

[(1, 291209968), (2, 145604984), (4, 72802492), (7, 41601424), (8, 36401246), (14, 20800712), (16, 18200623), (28, 10400356), (56, 5200178), (112, 2600089)]