25456984

素因数分解:

$2^3\times 7^1\times {\mathrm{499}}^1\times {\mathrm{911}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 54720000

約数和(自身を除く): 29263016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 499, 911, 998, 1822, 1996, 3493, 3644, 3992, 6377, 6986, 7288, 12754, 13972, 25508, 27944, 51016, 454589, 909178, 1818356, 3182123, 3636712, 6364246, 12728492, 25456984]

約数ペア:

[(1, 25456984), (2, 12728492), (4, 6364246), (7, 3636712), (8, 3182123), (14, 1818356), (28, 909178), (56, 454589), (499, 51016), (911, 27944), (998, 25508), (1822, 13972), (1996, 12754), (3493, 7288), (3644, 6986), (3992, 6377)]