281344

素因数分解:

$2^8\times 7^1\times {\mathrm{157}}^1$

素因数の和:180

約数の個数: 36

約数和(自身を含む): 645904

約数和(自身を除く): 364560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 157, 224, 256, 314, 448, 628, 896, 1099, 1256, 1792, 2198, 2512, 4396, 5024, 8792, 10048, 17584, 20096, 35168, 40192, 70336, 140672, 281344]

約数ペア:

[(1, 281344), (2, 140672), (4, 70336), (7, 40192), (8, 35168), (14, 20096), (16, 17584), (28, 10048), (32, 8792), (56, 5024), (64, 4396), (112, 2512), (128, 2198), (157, 1792), (224, 1256), (256, 1099), (314, 896), (448, 628)]