399202488

素因数分解:

$2^3\times 3^2\times {\mathrm{5544479}}^1$

素因数の和:5544491

約数の個数: 24

約数和(自身を含む): 1081173600

約数和(自身を除く): 681971112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 5544479, 11088958, 16633437, 22177916, 33266874, 44355832, 49900311, 66533748, 99800622, 133067496, 199601244, 399202488]

約数ペア:

[(1, 399202488), (2, 199601244), (3, 133067496), (4, 99800622), (6, 66533748), (8, 49900311), (9, 44355832), (12, 33266874), (18, 22177916), (24, 16633437), (36, 11088958), (72, 5544479)]