2781392

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{1327}}^1$

素因数の和:1466

約数の個数: 20

約数和(自身を含む): 5434176

約数和(自身を除く): 2652784

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 1327, 2096, 2654, 5308, 10616, 21232, 173837, 347674, 695348, 1390696, 2781392]

約数ペア:

[(1, 2781392), (2, 1390696), (4, 695348), (8, 347674), (16, 173837), (131, 21232), (262, 10616), (524, 5308), (1048, 2654), (1327, 2096)]