28340984

素因数分解:

$2^3\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1301}}^1$

素因数の和:1703

約数の個数: 32

約数和(自身を含む): 60933600

約数和(自身を除く): 32592616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 389, 778, 1301, 1556, 2602, 2723, 3112, 5204, 5446, 9107, 10408, 10892, 18214, 21784, 36428, 72856, 506089, 1012178, 2024356, 3542623, 4048712, 7085246, 14170492, 28340984]

約数ペア:

[(1, 28340984), (2, 14170492), (4, 7085246), (7, 4048712), (8, 3542623), (14, 2024356), (28, 1012178), (56, 506089), (389, 72856), (778, 36428), (1301, 21784), (1556, 18214), (2602, 10892), (2723, 10408), (3112, 9107), (5204, 5446)]