681582052

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{991}}^1\times {\mathrm{1237}}^1$

素因数の和:2371

約数の個数: 24

約数和(自身を含む): 1203534080

約数和(自身を除く): 521952028

約数列:

[1, 2, 4, 139, 278, 556, 991, 1237, 1982, 2474, 3964, 4948, 137749, 171943, 275498, 343886, 550996, 687772, 1225867, 2451734, 4903468, 170395513, 340791026, 681582052]

約数ペア:

[(1, 681582052), (2, 340791026), (4, 170395513), (139, 4903468), (278, 2451734), (556, 1225867), (991, 687772), (1237, 550996), (1982, 343886), (2474, 275498), (3964, 171943), (4948, 137749)]