80863916

素因数分解:

$2^2\times 7^2\times {\mathrm{412571}}^1$

素因数の和:412589

約数の個数: 18

約数和(自身を含む): 164616228

約数和(自身を除く): 83752312

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 412571, 825142, 1650284, 2887997, 5775994, 11551988, 20215979, 40431958, 80863916]

約数ペア:

[(1, 80863916), (2, 40431958), (4, 20215979), (7, 11551988), (14, 5775994), (28, 2887997), (49, 1650284), (98, 825142), (196, 412571)]