656048

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:452

約数の個数: 20

約数和(自身を含む): 1284888

約数和(自身を除く): 628840

約数列:

[1, 2, 4, 8, 16, 131, 262, 313, 524, 626, 1048, 1252, 2096, 2504, 5008, 41003, 82006, 164012, 328024, 656048]

約数ペア:

[(1, 656048), (2, 328024), (4, 164012), (8, 82006), (16, 41003), (131, 5008), (262, 2504), (313, 2096), (524, 1252), (626, 1048)]