25489016

素因数分解:

$2^3\times 7^4\times {\mathrm{1327}}^1$

素因数の和:1361

約数の個数: 40

約数和(自身を含む): 55795920

約数和(自身を除く): 30306904

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1327, 1372, 2401, 2654, 2744, 4802, 5308, 9289, 9604, 10616, 18578, 19208, 37156, 65023, 74312, 130046, 260092, 455161, 520184, 910322, 1820644, 3186127, 3641288, 6372254, 12744508, 25489016]

約数ペア:

[(1, 25489016), (2, 12744508), (4, 6372254), (7, 3641288), (8, 3186127), (14, 1820644), (28, 910322), (49, 520184), (56, 455161), (98, 260092), (196, 130046), (343, 74312), (392, 65023), (686, 37156), (1327, 19208), (1372, 18578), (2401, 10616), (2654, 9604), (2744, 9289), (4802, 5308)]