25348988

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 52835328

約数和(自身を除く): 27486340

約数列:

[1, 2, 4, 7, 14, 28, 41, 71, 82, 142, 164, 284, 287, 311, 497, 574, 622, 994, 1148, 1244, 1988, 2177, 2911, 4354, 5822, 8708, 11644, 12751, 20377, 22081, 25502, 40754, 44162, 51004, 81508, 88324, 89257, 154567, 178514, 309134, 357028, 618268, 905321, 1810642, 3621284, 6337247, 12674494, 25348988]

約数ペア:

[(1, 25348988), (2, 12674494), (4, 6337247), (7, 3621284), (14, 1810642), (28, 905321), (41, 618268), (71, 357028), (82, 309134), (142, 178514), (164, 154567), (284, 89257), (287, 88324), (311, 81508), (497, 51004), (574, 44162), (622, 40754), (994, 25502), (1148, 22081), (1244, 20377), (1988, 12751), (2177, 11644), (2911, 8708), (4354, 5822)]