128987262

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1979}}^1$

素因数の和:2078

約数の個数: 64

約数和(自身を含む): 307929600

約数和(自身を除く): 178942338

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 71, 102, 142, 153, 213, 306, 426, 459, 639, 918, 1207, 1278, 1917, 1979, 2414, 3621, 3834, 3958, 5937, 7242, 10863, 11874, 17811, 21726, 32589, 33643, 35622, 53433, 65178, 67286, 100929, 106866, 140509, 201858, 281018, 302787, 421527, 605574, 843054, 908361, 1264581, 1816722, 2388653, 2529162, 3793743, 4777306, 7165959, 7587486, 14331918, 21497877, 42995754, 64493631, 128987262]

約数ペア:

[(1, 128987262), (2, 64493631), (3, 42995754), (6, 21497877), (9, 14331918), (17, 7587486), (18, 7165959), (27, 4777306), (34, 3793743), (51, 2529162), (54, 2388653), (71, 1816722), (102, 1264581), (142, 908361), (153, 843054), (213, 605574), (306, 421527), (426, 302787), (459, 281018), (639, 201858), (918, 140509), (1207, 106866), (1278, 100929), (1917, 67286), (1979, 65178), (2414, 53433), (3621, 35622), (3834, 33643), (3958, 32589), (5937, 21726), (7242, 17811), (10863, 11874)]