209686792

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 463357440

約数和(自身を除く): 253670648

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 271, 287, 328, 337, 542, 574, 674, 1084, 1148, 1348, 1897, 2168, 2296, 2359, 2696, 3794, 4718, 7588, 9436, 11111, 13817, 15176, 18872, 22222, 27634, 44444, 55268, 77777, 88888, 91327, 96719, 110536, 155554, 182654, 193438, 311108, 365308, 386876, 622216, 639289, 730616, 773752, 1278578, 2557156, 3744407, 5114312, 7488814, 14977628, 26210849, 29955256, 52421698, 104843396, 209686792]

約数ペア:

[(1, 209686792), (2, 104843396), (4, 52421698), (7, 29955256), (8, 26210849), (14, 14977628), (28, 7488814), (41, 5114312), (56, 3744407), (82, 2557156), (164, 1278578), (271, 773752), (287, 730616), (328, 639289), (337, 622216), (542, 386876), (574, 365308), (674, 311108), (1084, 193438), (1148, 182654), (1348, 155554), (1897, 110536), (2168, 96719), (2296, 91327), (2359, 88888), (2696, 77777), (3794, 55268), (4718, 44444), (7588, 27634), (9436, 22222), (11111, 18872), (13817, 15176)]