25860978

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 71850240

約数和(自身を除く): 45989262

約数列:

[1, 2, 3, 6, 9, 11, 13, 17, 18, 22, 26, 27, 33, 34, 39, 51, 54, 66, 78, 99, 102, 117, 143, 153, 187, 197, 198, 221, 234, 286, 297, 306, 351, 374, 394, 429, 442, 459, 561, 591, 594, 663, 702, 858, 918, 1122, 1182, 1287, 1326, 1683, 1773, 1989, 2167, 2431, 2561, 2574, 3349, 3366, 3546, 3861, 3978, 4334, 4862, 5049, 5122, 5319, 5967, 6501, 6698, 7293, 7683, 7722, 10047, 10098, 10638, 11934, 13002, 14586, 15366, 19503, 20094, 21879, 23049, 28171, 30141, 36839, 39006, 43537, 43758, 46098, 56342, 58509, 60282, 65637, 69147, 73678, 84513, 87074, 90423, 110517, 117018, 130611, 131274, 138294, 169026, 180846, 221034, 253539, 261222, 331551, 391833, 478907, 507078, 663102, 760617, 783666, 957814, 994653, 1175499, 1436721, 1521234, 1989306, 2350998, 2873442, 4310163, 8620326, 12930489, 25860978]

約数ペア:

[(1, 25860978), (2, 12930489), (3, 8620326), (6, 4310163), (9, 2873442), (11, 2350998), (13, 1989306), (17, 1521234), (18, 1436721), (22, 1175499), (26, 994653), (27, 957814), (33, 783666), (34, 760617), (39, 663102), (51, 507078), (54, 478907), (66, 391833), (78, 331551), (99, 261222), (102, 253539), (117, 221034), (143, 180846), (153, 169026), (187, 138294), (197, 131274), (198, 130611), (221, 117018), (234, 110517), (286, 90423), (297, 87074), (306, 84513), (351, 73678), (374, 69147), (394, 65637), (429, 60282), (442, 58509), (459, 56342), (561, 46098), (591, 43758), (594, 43537), (663, 39006), (702, 36839), (858, 30141), (918, 28171), (1122, 23049), (1182, 21879), (1287, 20094), (1326, 19503), (1683, 15366), (1773, 14586), (1989, 13002), (2167, 11934), (2431, 10638), (2561, 10098), (2574, 10047), (3349, 7722), (3366, 7683), (3546, 7293), (3861, 6698), (3978, 6501), (4334, 5967), (4862, 5319), (5049, 5122)]