211816584

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{420271}}^1$

素因数の和:420290

約数の個数: 48

約数和(自身を含む): 655624320

約数和(自身を除く): 443807736

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 420271, 840542, 1260813, 1681084, 2521626, 2941897, 3362168, 3782439, 5043252, 5883794, 7564878, 8825691, 10086504, 11767588, 15129756, 17651382, 23535176, 26477073, 30259512, 35302764, 52954146, 70605528, 105908292, 211816584]

約数ペア:

[(1, 211816584), (2, 105908292), (3, 70605528), (4, 52954146), (6, 35302764), (7, 30259512), (8, 26477073), (9, 23535176), (12, 17651382), (14, 15129756), (18, 11767588), (21, 10086504), (24, 8825691), (28, 7564878), (36, 5883794), (42, 5043252), (56, 3782439), (63, 3362168), (72, 2941897), (84, 2521626), (126, 1681084), (168, 1260813), (252, 840542), (504, 420271)]