209523716

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{9811}}^1$

素因数の和:10115

約数の個数: 24

約数和(自身を含む): 387377760

約数和(自身を除く): 177854044

約数列:

[1, 2, 4, 19, 38, 76, 281, 562, 1124, 5339, 9811, 10678, 19622, 21356, 39244, 186409, 372818, 745636, 2756891, 5513782, 11027564, 52380929, 104761858, 209523716]

約数ペア:

[(1, 209523716), (2, 104761858), (4, 52380929), (19, 11027564), (38, 5513782), (76, 2756891), (281, 745636), (562, 372818), (1124, 186409), (5339, 39244), (9811, 21356), (10678, 19622)]