1279936

素因数分解:

$2^6\times 7^1\times {\mathrm{2857}}^1$

素因数の和:2876

約数の個数: 28

約数和(自身を含む): 2903728

約数和(自身を除く): 1623792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 2857, 5714, 11428, 19999, 22856, 39998, 45712, 79996, 91424, 159992, 182848, 319984, 639968, 1279936]

約数ペア:

[(1, 1279936), (2, 639968), (4, 319984), (7, 182848), (8, 159992), (14, 91424), (16, 79996), (28, 45712), (32, 39998), (56, 22856), (64, 19999), (112, 11428), (224, 5714), (448, 2857)]