13212008

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 25608000

約数和(自身を除く): 12395992

約数列:

[1, 2, 4, 8, 43, 86, 172, 193, 199, 344, 386, 398, 772, 796, 1544, 1592, 8299, 8557, 16598, 17114, 33196, 34228, 38407, 66392, 68456, 76814, 153628, 307256, 1651501, 3303002, 6606004, 13212008]

約数ペア:

[(1, 13212008), (2, 6606004), (4, 3303002), (8, 1651501), (43, 307256), (86, 153628), (172, 76814), (193, 68456), (199, 66392), (344, 38407), (386, 34228), (398, 33196), (772, 17114), (796, 16598), (1544, 8557), (1592, 8299)]