138963412

素因数分解:

$2^2\times 7^2\times {\mathrm{708997}}^1$

素因数の和:709015

約数の個数: 18

約数和(自身を含む): 282890202

約数和(自身を除く): 143926790

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 708997, 1417994, 2835988, 4962979, 9925958, 19851916, 34740853, 69481706, 138963412]

約数ペア:

[(1, 138963412), (2, 69481706), (4, 34740853), (7, 19851916), (14, 9925958), (28, 4962979), (49, 2835988), (98, 1417994), (196, 708997)]