211145368

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{18947}}^1$

素因数の和:19159

約数の個数: 32

約数和(自身を含む): 454752000

約数和(自身を除く): 243606632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1592, 2786, 5572, 11144, 18947, 37894, 75788, 132629, 151576, 265258, 530516, 1061032, 3770453, 7540906, 15081812, 26393171, 30163624, 52786342, 105572684, 211145368]

約数ペア:

[(1, 211145368), (2, 105572684), (4, 52786342), (7, 30163624), (8, 26393171), (14, 15081812), (28, 7540906), (56, 3770453), (199, 1061032), (398, 530516), (796, 265258), (1393, 151576), (1592, 132629), (2786, 75788), (5572, 37894), (11144, 18947)]