2561141678

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{784183}}^1$

素因数の和:784279

約数の個数: 16

約数和(自身を含む): 4065209856

約数和(自身を除く): 1504068178

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 784183, 1568366, 18036209, 36072418, 55676993, 111353986, 1280570839, 2561141678]

約数ペア:

[(1, 2561141678), (2, 1280570839), (23, 111353986), (46, 55676993), (71, 36072418), (142, 18036209), (1633, 1568366), (3266, 784183)]