253944338

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1\times {\mathrm{4397}}^1$

素因数の和:4897

約数の個数: 16

約数和(自身を含む): 387586944

約数和(自身を除く): 133642606

約数列:

[1, 2, 67, 134, 431, 862, 4397, 8794, 28877, 57754, 294599, 589198, 1895107, 3790214, 126972169, 253944338]

約数ペア:

[(1, 253944338), (2, 126972169), (67, 3790214), (134, 1895107), (431, 589198), (862, 294599), (4397, 57754), (8794, 28877)]