820132464

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{397351}}^1$

素因数の和:397405

約数の個数: 40

約数和(自身を含む): 2167952512

約数和(自身を除く): 1347820048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 397351, 794702, 1192053, 1589404, 2384106, 3178808, 4768212, 6357616, 9536424, 17086093, 19072848, 34172186, 51258279, 68344372, 102516558, 136688744, 205033116, 273377488, 410066232, 820132464]

約数ペア:

[(1, 820132464), (2, 410066232), (3, 273377488), (4, 205033116), (6, 136688744), (8, 102516558), (12, 68344372), (16, 51258279), (24, 34172186), (43, 19072848), (48, 17086093), (86, 9536424), (129, 6357616), (172, 4768212), (258, 3178808), (344, 2384106), (516, 1589404), (688, 1192053), (1032, 794702), (2064, 397351)]