2807986

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:465

約数の個数: 16

約数和(自身を含む): 4365504

約数和(自身を除く): 1557518

約数列:

[1, 2, 43, 86, 103, 206, 317, 634, 4429, 8858, 13631, 27262, 32651, 65302, 1403993, 2807986]

約数ペア:

[(1, 2807986), (2, 1403993), (43, 65302), (86, 32651), (103, 27262), (206, 13631), (317, 8858), (634, 4429)]