211192016

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{21187}}^1$

素因数の和:21291

約数の個数: 40

約数和(自身を含む): 472916160

約数和(自身を除く): 261724144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 21187, 42374, 84748, 148309, 169496, 296618, 338992, 593236, 1186472, 1885643, 2372944, 3771286, 7542572, 13199501, 15085144, 26399002, 30170288, 52798004, 105596008, 211192016]

約数ペア:

[(1, 211192016), (2, 105596008), (4, 52798004), (7, 30170288), (8, 26399002), (14, 15085144), (16, 13199501), (28, 7542572), (56, 3771286), (89, 2372944), (112, 1885643), (178, 1186472), (356, 593236), (623, 338992), (712, 296618), (1246, 169496), (1424, 148309), (2492, 84748), (4984, 42374), (9968, 21187)]