81261376

素因数分解:

$2^6\times 7^1\times {\mathrm{181387}}^1$

素因数の和:181406

約数の個数: 28

約数和(自身を含む): 184290208

約数和(自身を除く): 103028832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 181387, 362774, 725548, 1269709, 1451096, 2539418, 2902192, 5078836, 5804384, 10157672, 11608768, 20315344, 40630688, 81261376]

約数ペア:

[(1, 81261376), (2, 40630688), (4, 20315344), (7, 11608768), (8, 10157672), (14, 5804384), (16, 5078836), (28, 2902192), (32, 2539418), (56, 1451096), (64, 1269709), (112, 725548), (224, 362774), (448, 181387)]