1281728

素因数分解:

$2^6\times 7^1\times {\mathrm{2861}}^1$

素因数の和:2880

約数の個数: 28

約数和(自身を含む): 2907792

約数和(自身を除く): 1626064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 2861, 5722, 11444, 20027, 22888, 40054, 45776, 80108, 91552, 160216, 183104, 320432, 640864, 1281728]

約数ペア:

[(1, 1281728), (2, 640864), (4, 320432), (7, 183104), (8, 160216), (14, 91552), (16, 80108), (28, 45776), (32, 40054), (56, 22888), (64, 20027), (112, 11444), (224, 5722), (448, 2861)]