128220968

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{843559}}^1$

素因数の和:843584

約数の個数: 16

約数和(自身を含む): 253068000

約数和(自身を除く): 124847032

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 843559, 1687118, 3374236, 6748472, 16027621, 32055242, 64110484, 128220968]

約数ペア:

[(1, 128220968), (2, 64110484), (4, 32055242), (8, 16027621), (19, 6748472), (38, 3374236), (76, 1687118), (152, 843559)]