28209968

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43003}}^1$

素因数の和:43052

約数の個数: 20

約数和(自身を含む): 55991208

約数和(自身を除く): 27781240

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 43003, 86006, 172012, 344024, 688048, 1763123, 3526246, 7052492, 14104984, 28209968]

約数ペア:

[(1, 28209968), (2, 14104984), (4, 7052492), (8, 3526246), (16, 1763123), (41, 688048), (82, 344024), (164, 172012), (328, 86006), (656, 43003)]