128972032

素因数分解:

$2^8\times 7^1\times {\mathrm{71971}}^1$

素因数の和:71994

約数の個数: 36

約数和(自身を含む): 294221536

約数和(自身を除く): 165249504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 71971, 143942, 287884, 503797, 575768, 1007594, 1151536, 2015188, 2303072, 4030376, 4606144, 8060752, 9212288, 16121504, 18424576, 32243008, 64486016, 128972032]

約数ペア:

[(1, 128972032), (2, 64486016), (4, 32243008), (7, 18424576), (8, 16121504), (14, 9212288), (16, 8060752), (28, 4606144), (32, 4030376), (56, 2303072), (64, 2015188), (112, 1151536), (128, 1007594), (224, 575768), (256, 503797), (448, 287884), (896, 143942), (1792, 71971)]