77121256

素因数分解:

$2^3\times {\mathrm{193}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 146664000

約数和(自身を除く): 69542744

約数列:

[1, 2, 4, 8, 193, 199, 251, 386, 398, 502, 772, 796, 1004, 1544, 1592, 2008, 38407, 48443, 49949, 76814, 96886, 99898, 153628, 193772, 199796, 307256, 387544, 399592, 9640157, 19280314, 38560628, 77121256]

約数ペア:

[(1, 77121256), (2, 38560628), (4, 19280314), (8, 9640157), (193, 399592), (199, 387544), (251, 307256), (386, 199796), (398, 193772), (502, 153628), (772, 99898), (796, 96886), (1004, 76814), (1544, 49949), (1592, 48443), (2008, 38407)]