28714021

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 33441408

約数和(自身を除く): 4727387

約数列:

[1, 7, 131, 173, 181, 917, 1211, 1267, 22663, 23711, 31313, 158641, 165977, 219191, 4102003, 28714021]

約数ペア:

[(1, 28714021), (7, 4102003), (131, 219191), (173, 165977), (181, 158641), (917, 31313), (1211, 23711), (1267, 22663)]