28260378

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{42433}}^1$

素因数の和:42478

約数の個数: 24

約数和(自身を含む): 62887188

約数和(自身を除く): 34626810

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 42433, 84866, 127299, 254598, 381897, 763794, 1570021, 3140042, 4710063, 9420126, 14130189, 28260378]

約数ペア:

[(1, 28260378), (2, 14130189), (3, 9420126), (6, 4710063), (9, 3140042), (18, 1570021), (37, 763794), (74, 381897), (111, 254598), (222, 127299), (333, 84866), (666, 42433)]