12782008

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 24908400

約数和(自身を除く): 12126392

約数列:

[1, 2, 4, 8, 43, 73, 86, 146, 172, 292, 344, 509, 584, 1018, 2036, 3139, 4072, 6278, 12556, 21887, 25112, 37157, 43774, 74314, 87548, 148628, 175096, 297256, 1597751, 3195502, 6391004, 12782008]

約数ペア:

[(1, 12782008), (2, 6391004), (4, 3195502), (8, 1597751), (43, 297256), (73, 175096), (86, 148628), (146, 87548), (172, 74314), (292, 43774), (344, 37157), (509, 25112), (584, 21887), (1018, 12556), (2036, 6278), (3139, 4072)]