28468479

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 43563520

約数和(自身を除く): 15095041

約数列:

[1, 3, 13, 19, 39, 57, 103, 247, 309, 373, 741, 1119, 1339, 1957, 4017, 4849, 5871, 7087, 14547, 21261, 25441, 38419, 76323, 92131, 115257, 276393, 499447, 729961, 1498341, 2189883, 9489493, 28468479]

約数ペア:

[(1, 28468479), (3, 9489493), (13, 2189883), (19, 1498341), (39, 729961), (57, 499447), (103, 276393), (247, 115257), (309, 92131), (373, 76323), (741, 38419), (1119, 25441), (1339, 21261), (1957, 14547), (4017, 7087), (4849, 5871)]