25957316

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1187}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 57480192

約数和(自身を除く): 31522876

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1187, 1562, 1988, 2374, 3124, 4748, 5467, 8309, 10934, 13057, 16618, 21868, 26114, 33236, 52228, 84277, 91399, 168554, 182798, 337108, 365596, 589939, 927047, 1179878, 1854094, 2359756, 3708188, 6489329, 12978658, 25957316]

約数ペア:

[(1, 25957316), (2, 12978658), (4, 6489329), (7, 3708188), (11, 2359756), (14, 1854094), (22, 1179878), (28, 927047), (44, 589939), (71, 365596), (77, 337108), (142, 182798), (154, 168554), (284, 91399), (308, 84277), (497, 52228), (781, 33236), (994, 26114), (1187, 21868), (1562, 16618), (1988, 13057), (2374, 10934), (3124, 8309), (4748, 5467)]