676689985

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1\times {\mathrm{1931}}^1$

素因数の和:2688

約数の個数: 16

約数和(自身を含む): 821177280

約数和(自身を除く): 144487295

約数列:

[1, 5, 109, 545, 643, 1931, 3215, 9655, 70087, 210479, 350435, 1052395, 1241633, 6208165, 135337997, 676689985]

約数ペア:

[(1, 676689985), (5, 135337997), (109, 6208165), (545, 1241633), (643, 1052395), (1931, 350435), (3215, 210479), (9655, 70087)]