25140412

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:562

約数の個数: 36

約数和(自身を含む): 48858880

約数和(自身を除く): 23718468

約数列:

[1, 2, 4, 11, 22, 44, 121, 127, 242, 254, 409, 484, 508, 818, 1397, 1636, 2794, 4499, 5588, 8998, 15367, 17996, 30734, 49489, 51943, 61468, 98978, 103886, 197956, 207772, 571373, 1142746, 2285492, 6285103, 12570206, 25140412]

約数ペア:

[(1, 25140412), (2, 12570206), (4, 6285103), (11, 2285492), (22, 1142746), (44, 571373), (121, 207772), (127, 197956), (242, 103886), (254, 98978), (409, 61468), (484, 51943), (508, 49489), (818, 30734), (1397, 17996), (1636, 15367), (2794, 8998), (4499, 5588)]