25264239

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 21184401

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 47, 77, 91, 141, 143, 179, 231, 273, 329, 429, 517, 537, 611, 987, 1001, 1253, 1551, 1833, 1969, 2327, 3003, 3619, 3759, 4277, 5907, 6721, 6981, 8413, 10857, 12831, 13783, 16289, 20163, 25239, 25597, 41349, 47047, 48867, 58891, 76791, 92543, 109369, 141141, 176673, 179179, 277629, 328107, 537537, 647801, 765583, 1203059, 1943403, 2296749, 3609177, 8421413, 25264239]

約数ペア:

[(1, 25264239), (3, 8421413), (7, 3609177), (11, 2296749), (13, 1943403), (21, 1203059), (33, 765583), (39, 647801), (47, 537537), (77, 328107), (91, 277629), (141, 179179), (143, 176673), (179, 141141), (231, 109369), (273, 92543), (329, 76791), (429, 58891), (517, 48867), (537, 47047), (611, 41349), (987, 25597), (1001, 25239), (1253, 20163), (1551, 16289), (1833, 13783), (1969, 12831), (2327, 10857), (3003, 8413), (3619, 6981), (3759, 6721), (4277, 5907)]