217291508

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{106307}}^1$

素因数の和:106391

約数の個数: 24

約数和(自身を含む): 440540352

約数和(自身を除く): 223248844

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 106307, 212614, 425228, 744149, 1488298, 2976596, 7760411, 15520822, 31041644, 54322877, 108645754, 217291508]

約数ペア:

[(1, 217291508), (2, 108645754), (4, 54322877), (7, 31041644), (14, 15520822), (28, 7760411), (73, 2976596), (146, 1488298), (292, 744149), (511, 425228), (1022, 212614), (2044, 106307)]