1271788

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 2594592

約数和(自身を除く): 1322804

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 857, 1484, 1714, 3428, 5999, 11998, 23996, 45421, 90842, 181684, 317947, 635894, 1271788]

約数ペア:

[(1, 1271788), (2, 635894), (4, 317947), (7, 181684), (14, 90842), (28, 45421), (53, 23996), (106, 11998), (212, 5999), (371, 3428), (742, 1714), (857, 1484)]