213471.0000000

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 9151488

約数和(自身を除く): 4367170

約数列:

[1, 2, 7, 11, 14, 22, 47, 77, 94, 154, 329, 517, 658, 661, 1034, 1322, 3619, 4627, 7238, 7271, 9254, 14542, 31067, 50897, 62134, 101794, 217469, 341737, 434938, 683474, 2392159, 4784318]

約数ペア:

[(1, 4784318), (2, 2392159), (7, 683474), (11, 434938), (14, 341737), (22, 217469), (47, 101794), (77, 62134), (94, 50897), (154, 31067), (329, 14542), (517, 9254), (658, 7271), (661, 7238), (1034, 4627), (1322, 3619)]