642908162

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{313003}}^1$

素因数の和:313097

約数の個数: 16

約数和(自身を含む): 1051693440

約数和(自身を除く): 408785278

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 313003, 626006, 4069039, 8138078, 24727237, 49454474, 321454081, 642908162]

約数ペア:

[(1, 642908162), (2, 321454081), (13, 49454474), (26, 24727237), (79, 8138078), (158, 4069039), (1027, 626006), (2054, 313003)]