638867074

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{1439}}^1\times {\mathrm{1597}}^1$

素因数の和:3177

約数の個数: 16

約数和(自身を含む): 966470400

約数和(自身を除く): 327603326

約数列:

[1, 2, 139, 278, 1439, 1597, 2878, 3194, 200021, 221983, 400042, 443966, 2298083, 4596166, 319433537, 638867074]

約数ペア:

[(1, 638867074), (2, 319433537), (139, 4596166), (278, 2298083), (1439, 443966), (1597, 400042), (2878, 221983), (3194, 200021)]