856551874

素因数分解:

$2^1\times {\mathrm{61}}^2\times {\mathrm{179}}^1\times {\mathrm{643}}^1$

素因数の和:946

約数の個数: 24

約数和(自身を含む): 1315576080

約数和(自身を除く): 459024206

約数列:

[1, 2, 61, 122, 179, 358, 643, 1286, 3721, 7442, 10919, 21838, 39223, 78446, 115097, 230194, 666059, 1332118, 2392603, 4785206, 7020917, 14041834, 428275937, 856551874]

約数ペア:

[(1, 856551874), (2, 428275937), (61, 14041834), (122, 7020917), (179, 4785206), (358, 2392603), (643, 1332118), (1286, 666059), (3721, 230194), (7442, 115097), (10919, 78446), (21838, 39223)]