204981290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{891223}}^1$

素因数の和:891253

約数の個数: 16

約数和(自身を含む): 385008768

約数和(自身を除く): 180027478

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 891223, 1782446, 4456115, 8912230, 20498129, 40996258, 102490645, 204981290]

約数ペア:

[(1, 204981290), (2, 102490645), (5, 40996258), (10, 20498129), (23, 8912230), (46, 4456115), (115, 1782446), (230, 891223)]