254843281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{443}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 330080256

約数和(自身を除く): 75236975

約数列:

[1, 7, 11, 31, 77, 217, 241, 341, 443, 1687, 2387, 2651, 3101, 4873, 7471, 13733, 18557, 34111, 52297, 82181, 96131, 106763, 151063, 575267, 747341, 1057441, 1174393, 3309653, 8220751, 23167571, 36406183, 254843281]

約数ペア:

[(1, 254843281), (7, 36406183), (11, 23167571), (31, 8220751), (77, 3309653), (217, 1174393), (241, 1057441), (341, 747341), (443, 575267), (1687, 151063), (2387, 106763), (2651, 96131), (3101, 82181), (4873, 52297), (7471, 34111), (13733, 18557)]