290542804

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{3989}}^1$

素因数の和:4263

約数の個数: 24

約数和(自身を含む): 516146400

約数和(自身を除く): 225603596

約数列:

[1, 2, 4, 131, 139, 262, 278, 524, 556, 3989, 7978, 15956, 18209, 36418, 72836, 522559, 554471, 1045118, 1108942, 2090236, 2217884, 72635701, 145271402, 290542804]

約数ペア:

[(1, 290542804), (2, 145271402), (4, 72635701), (131, 2217884), (139, 2090236), (262, 1108942), (278, 1045118), (524, 554471), (556, 522559), (3989, 72836), (7978, 36418), (15956, 18209)]