1388398949

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1\times {\mathrm{7547}}^1$

素因数の和:8236

約数の個数: 16

約数和(自身を含む): 1628194176

約数和(自身を除く): 239795227

約数列:

[1, 7, 41, 287, 641, 4487, 7547, 26281, 52829, 183967, 309427, 2165989, 4837627, 33863389, 198342707, 1388398949]

約数ペア:

[(1, 1388398949), (7, 198342707), (41, 33863389), (287, 4837627), (641, 2165989), (4487, 309427), (7547, 183967), (26281, 52829)]