81968896

素因数分解:

$2^8\times {\mathrm{199}}^1\times {\mathrm{1609}}^1$

素因数の和:1824

約数の個数: 36

約数和(自身を含む): 164542000

約数和(自身を除く): 82573104

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 256, 398, 796, 1592, 1609, 3184, 3218, 6368, 6436, 12736, 12872, 25472, 25744, 50944, 51488, 102976, 205952, 320191, 411904, 640382, 1280764, 2561528, 5123056, 10246112, 20492224, 40984448, 81968896]

約数ペア:

[(1, 81968896), (2, 40984448), (4, 20492224), (8, 10246112), (16, 5123056), (32, 2561528), (64, 1280764), (128, 640382), (199, 411904), (256, 320191), (398, 205952), (796, 102976), (1592, 51488), (1609, 50944), (3184, 25744), (3218, 25472), (6368, 12872), (6436, 12736)]