664796867

素因数分解:

$7^2\times {\mathrm{127}}^1\times {\mathrm{317}}^1\times {\mathrm{337}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 784203264

約数和(自身を除く): 119406397

約数列:

[1, 7, 49, 127, 317, 337, 889, 2219, 2359, 6223, 15533, 16513, 40259, 42799, 106829, 281813, 299593, 747803, 1972691, 2097151, 5234621, 13567283, 94970981, 664796867]

約数ペア:

[(1, 664796867), (7, 94970981), (49, 13567283), (127, 5234621), (317, 2097151), (337, 1972691), (889, 747803), (2219, 299593), (2359, 281813), (6223, 106829), (15533, 42799), (16513, 40259)]