281456

素因数分解:

$2^4\times 7^2\times {\mathrm{359}}^1$

素因数の和:381

約数の個数: 30

約数和(自身を含む): 636120

約数和(自身を除く): 354664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 359, 392, 718, 784, 1436, 2513, 2872, 5026, 5744, 10052, 17591, 20104, 35182, 40208, 70364, 140728, 281456]

約数ペア:

[(1, 281456), (2, 140728), (4, 70364), (7, 40208), (8, 35182), (14, 20104), (16, 17591), (28, 10052), (49, 5744), (56, 5026), (98, 2872), (112, 2513), (196, 1436), (359, 784), (392, 718)]