1640443378

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2724989}}^1$

素因数の和:2725041

約数の個数: 16

約数和(自身を含む): 2877589440

約数和(自身を除く): 1237146062

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 2724989, 5449978, 19074923, 38149846, 117174527, 234349054, 820221689, 1640443378]

約数ペア:

[(1, 1640443378), (2, 820221689), (7, 234349054), (14, 117174527), (43, 38149846), (86, 19074923), (301, 5449978), (602, 2724989)]