128903488

素因数分解:

$2^6\times 7^1\times {\mathrm{287731}}^1$

素因数の和:287750

約数の個数: 28

約数和(自身を含む): 292335712

約数和(自身を除く): 163432224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 287731, 575462, 1150924, 2014117, 2301848, 4028234, 4603696, 8056468, 9207392, 16112936, 18414784, 32225872, 64451744, 128903488]

約数ペア:

[(1, 128903488), (2, 64451744), (4, 32225872), (7, 18414784), (8, 16112936), (14, 9207392), (16, 8056468), (28, 4603696), (32, 4028234), (56, 2301848), (64, 2014117), (112, 1150924), (224, 575462), (448, 287731)]