28278708

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{17989}}^1$

素因数の和:18127

約数の個数: 24

約数和(自身を含む): 66491040

約数和(自身を除く): 38212332

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 17989, 35978, 53967, 71956, 107934, 215868, 2356559, 4713118, 7069677, 9426236, 14139354, 28278708]

約数ペア:

[(1, 28278708), (2, 14139354), (3, 9426236), (4, 7069677), (6, 4713118), (12, 2356559), (131, 215868), (262, 107934), (393, 71956), (524, 53967), (786, 35978), (1572, 17989)]