178708028

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{666821}}^1$

素因数の和:666892

約数の個数: 12

約数和(自身を含む): 317407272

約数和(自身を除く): 138699244

約数列:

[1, 2, 4, 67, 134, 268, 666821, 1333642, 2667284, 44677007, 89354014, 178708028]

約数ペア:

[(1, 178708028), (2, 89354014), (4, 44677007), (67, 2667284), (134, 1333642), (268, 666821)]