128140496

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{2591}}^1$

素因数の和:2891

約数の個数: 40

約数和(自身を含む): 271911168

約数和(自身を除く): 143770672

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 281, 562, 1124, 2248, 2591, 3091, 4496, 5182, 6182, 10364, 12364, 20728, 24728, 28501, 41456, 49456, 57002, 114004, 228008, 456016, 728071, 1456142, 2912284, 5824568, 8008781, 11649136, 16017562, 32035124, 64070248, 128140496]

約数ペア:

[(1, 128140496), (2, 64070248), (4, 32035124), (8, 16017562), (11, 11649136), (16, 8008781), (22, 5824568), (44, 2912284), (88, 1456142), (176, 728071), (281, 456016), (562, 228008), (1124, 114004), (2248, 57002), (2591, 49456), (3091, 41456), (4496, 28501), (5182, 24728), (6182, 20728), (10364, 12364)]